CVE-2026-31873 - Unhead has a Bypass of URI Scheme Sanitization in makeTagSafe via Case-Sensitivity
CVE ID :CVE-2026-31873
Published : March 12, 2026, 5:20 p.m. | 35 minutes ago
Description :Unhead is a document head and template manager. Prior to 2.1.11, The link.href check in makeTagSafe (safe.ts) uses String.includes(), which is case-sensitive. Browsers treat URI schemes case-insensitively. DATA:text/css,... is the same as data:text/css,... to the browser, but 'DATA:...'.includes('data:') returns false. An attacker can inject arbitrary CSS for UI redressing or data exfiltration via CSS attribute selectors with background-image callbacks. This vulnerability is fixed in 2.1.11.
Severity: 0.0 | NA
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CVE ID :CVE-2026-31873
Published : March 12, 2026, 5:20 p.m. | 35 minutes ago
Description :Unhead is a document head and template manager. Prior to 2.1.11, The link.href check in makeTagSafe (safe.ts) uses String.includes(), which is case-sensitive. Browsers treat URI schemes case-insensitively. DATA:text/css,... is the same as data:text/css,... to the browser, but 'DATA:...'.includes('data:') returns false. An attacker can inject arbitrary CSS for UI redressing or data exfiltration via CSS attribute selectors with background-image callbacks. This vulnerability is fixed in 2.1.11.
Severity: 0.0 | NA
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CVE-2026-28252 - Use of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge
CVE ID :CVE-2026-28252
Published : March 12, 2026, 5:24 p.m. | 31 minutes ago
Description :A Use of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an attacker to bypass authentication and gain root-level access to the device.
Severity: 9.2 | CRITICAL
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CVE ID :CVE-2026-28252
Published : March 12, 2026, 5:24 p.m. | 31 minutes ago
Description :A Use of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an attacker to bypass authentication and gain root-level access to the device.
Severity: 9.2 | CRITICAL
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CVE-2026-3841 - Command Injection Vulnerability in Telnet CLI on TP-Link TL-MR6400
CVE ID :CVE-2026-3841
Published : March 12, 2026, 5:25 p.m. | 29 minutes ago
Description :A command injection vulnerability has been identified in the Telnet command-line interface (CLI) of TP-Link TL-MR6400 v5.3. This issue is caused by insufficient sanitization of data processed during specific CLI operations. An authenticated attacker with elevated privileges may be able to execute arbitrary system commands. Successful exploitation may lead to full device compromise, including potential loss of confidentiality, integrity, and availability.
Severity: 8.5 | HIGH
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CVE ID :CVE-2026-3841
Published : March 12, 2026, 5:25 p.m. | 29 minutes ago
Description :A command injection vulnerability has been identified in the Telnet command-line interface (CLI) of TP-Link TL-MR6400 v5.3. This issue is caused by insufficient sanitization of data processed during specific CLI operations. An authenticated attacker with elevated privileges may be able to execute arbitrary system commands. Successful exploitation may lead to full device compromise, including potential loss of confidentiality, integrity, and availability.
Severity: 8.5 | HIGH
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CVE-2026-28253 - Memory Allocation with Excessive Size Value vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge
CVE ID :CVE-2026-28253
Published : March 12, 2026, 5:27 p.m. | 28 minutes ago
Description :A Memory Allocation with Excessive Size Value vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an unauthenticated attacker to cause a denial-of-service condition
Severity: 8.7 | HIGH
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CVE ID :CVE-2026-28253
Published : March 12, 2026, 5:27 p.m. | 28 minutes ago
Description :A Memory Allocation with Excessive Size Value vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an unauthenticated attacker to cause a denial-of-service condition
Severity: 8.7 | HIGH
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CVE-2026-28254 - Missing Authorization vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge
CVE ID :CVE-2026-28254
Published : March 12, 2026, 5:29 p.m. | 25 minutes ago
Description :A Missing Authorization vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an unauthenticated attacker to access sensitive information through unprotected APIs.
Severity: 6.9 | MEDIUM
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CVE ID :CVE-2026-28254
Published : March 12, 2026, 5:29 p.m. | 25 minutes ago
Description :A Missing Authorization vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an unauthenticated attacker to access sensitive information through unprotected APIs.
Severity: 6.9 | MEDIUM
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CVE-2026-1525 - undici is vulnerable to Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
CVE ID :CVE-2026-1525
Published : March 12, 2026, 8:16 p.m. | 1 hour, 40 minutes ago
Description :Undici allows duplicate HTTP Content-Length headers when they are provided in an array with case-variant names (e.g., Content-Length and content-length). This produces malformed HTTP/1.1 requests with multiple conflicting Content-Length values on the wire. Who is impacted: * Applications using undici.request(), undici.Client, or similar low-level APIs with headers passed as flat arrays * Applications that accept user-controlled header names without case-normalization Potential consequences: * Denial of Service: Strict HTTP parsers (proxies, servers) will reject requests with duplicate Content-Length headers (400 Bad Request) * HTTP Request Smuggling: In deployments where an intermediary and backend interpret duplicate headers inconsistently (e.g., one uses the first value, the other uses the last), this can enable request smuggling attacks leading to ACL bypass, cache poisoning, or credential hijacking
Severity: 6.5 | MEDIUM
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CVE ID :CVE-2026-1525
Published : March 12, 2026, 8:16 p.m. | 1 hour, 40 minutes ago
Description :Undici allows duplicate HTTP Content-Length headers when they are provided in an array with case-variant names (e.g., Content-Length and content-length). This produces malformed HTTP/1.1 requests with multiple conflicting Content-Length values on the wire. Who is impacted: * Applications using undici.request(), undici.Client, or similar low-level APIs with headers passed as flat arrays * Applications that accept user-controlled header names without case-normalization Potential consequences: * Denial of Service: Strict HTTP parsers (proxies, servers) will reject requests with duplicate Content-Length headers (400 Bad Request) * HTTP Request Smuggling: In deployments where an intermediary and backend interpret duplicate headers inconsistently (e.g., one uses the first value, the other uses the last), this can enable request smuggling attacks leading to ACL bypass, cache poisoning, or credential hijacking
Severity: 6.5 | MEDIUM
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CVE-2026-32239 - Cap'n Proto has an integer overflow in KJ-HTTP
CVE ID :CVE-2026-32239
Published : March 12, 2026, 8:16 p.m. | 1 hour, 39 minutes ago
Description :Cap'n Proto is a data interchange format and capability-based RPC system. Prior to 1.4.0, a negative Content-Length value was converted to unsigned, treating it as an impossibly large length instead. In theory, this bug could enable HTTP request/response smuggling. This vulnerability is fixed in 1.4.0.
Severity: 6.3 | MEDIUM
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CVE ID :CVE-2026-32239
Published : March 12, 2026, 8:16 p.m. | 1 hour, 39 minutes ago
Description :Cap'n Proto is a data interchange format and capability-based RPC system. Prior to 1.4.0, a negative Content-Length value was converted to unsigned, treating it as an impossibly large length instead. In theory, this bug could enable HTTP request/response smuggling. This vulnerability is fixed in 1.4.0.
Severity: 6.3 | MEDIUM
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CVE-2026-32240 - Cap'n Proto: Integer overflow in KJ-HTTP chunk size
CVE ID :CVE-2026-32240
Published : March 12, 2026, 8:16 p.m. | 1 hour, 39 minutes ago
Description :Cap'n Proto is a data interchange format and capability-based RPC system. Prior to 1.4.0, when using Transfer-Encoding: chunked, if a chunk's size parsed to a value of 2^64 or larger, it would be truncated to a 64-bit integer. In theory, this bug could enable HTTP request/response smuggling. This vulnerability is fixed in 1.4.0.
Severity: 6.3 | MEDIUM
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CVE ID :CVE-2026-32240
Published : March 12, 2026, 8:16 p.m. | 1 hour, 39 minutes ago
Description :Cap'n Proto is a data interchange format and capability-based RPC system. Prior to 1.4.0, when using Transfer-Encoding: chunked, if a chunk's size parsed to a value of 2^64 or larger, it would be truncated to a 64-bit integer. In theory, this bug could enable HTTP request/response smuggling. This vulnerability is fixed in 1.4.0.
Severity: 6.3 | MEDIUM
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CVE-2026-32248 - Parse Server: Account takeover via operator injection in authentication data identifier
CVE ID :CVE-2026-32248
Published : March 12, 2026, 8:16 p.m. | 1 hour, 39 minutes ago
Description :Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0-alpha.12 and 8.6.38, an unauthenticated attacker can take over any user account that was created with an authentication provider that does not validate the format of the user identifier (e.g. anonymous authentication). By sending a crafted login request, the attacker can cause the server to perform a pattern-matching query instead of an exact-match lookup, allowing the attacker to match an existing user and obtain a valid session token for that user's account. Both MongoDB and PostgreSQL database backends are affected. Any Parse Server deployment that allows anonymous authentication (enabled by default) is vulnerable. This vulnerability is fixed in 9.6.0-alpha.12 and 8.6.38.
Severity: 9.3 | CRITICAL
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CVE ID :CVE-2026-32248
Published : March 12, 2026, 8:16 p.m. | 1 hour, 39 minutes ago
Description :Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0-alpha.12 and 8.6.38, an unauthenticated attacker can take over any user account that was created with an authentication provider that does not validate the format of the user identifier (e.g. anonymous authentication). By sending a crafted login request, the attacker can cause the server to perform a pattern-matching query instead of an exact-match lookup, allowing the attacker to match an existing user and obtain a valid session token for that user's account. Both MongoDB and PostgreSQL database backends are affected. Any Parse Server deployment that allows anonymous authentication (enabled by default) is vulnerable. This vulnerability is fixed in 9.6.0-alpha.12 and 8.6.38.
Severity: 9.3 | CRITICAL
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CVE-2026-32249 - NFA regex engine NULL pointer dereference affects Vim < 9.2.0137
CVE ID :CVE-2026-32249
Published : March 12, 2026, 8:16 p.m. | 1 hour, 39 minutes ago
Description :Vim is an open source, command line text editor. From 9.1.0011 to before 9.2.0137, Vim's NFA regex compiler, when encountering a collection containing a combining character as the endpoint of a character range (e.g. [0-0\u05bb]), incorrectly emits the composing bytes of that character as separate NFA states. This corrupts the NFA postfix stack, resulting in NFA_START_COLL having a NULL out1 pointer. When nfa_max_width() subsequently traverses the compiled NFA to estimate match width for the look-behind assertion, it dereferences state->out1->out without a NULL check, causing a segmentation fault. This vulnerability is fixed in 9.2.0137.
Severity: 5.3 | MEDIUM
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CVE ID :CVE-2026-32249
Published : March 12, 2026, 8:16 p.m. | 1 hour, 39 minutes ago
Description :Vim is an open source, command line text editor. From 9.1.0011 to before 9.2.0137, Vim's NFA regex compiler, when encountering a collection containing a combining character as the endpoint of a character range (e.g. [0-0\u05bb]), incorrectly emits the composing bytes of that character as separate NFA states. This corrupts the NFA postfix stack, resulting in NFA_START_COLL having a NULL out1 pointer. When nfa_max_width() subsequently traverses the compiled NFA to estimate match width for the look-behind assertion, it dereferences state->out1->out without a NULL check, causing a segmentation fault. This vulnerability is fixed in 9.2.0137.
Severity: 5.3 | MEDIUM
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CVE-2026-32251 - Tolgee has an XXE Injection in Translation Import
CVE ID :CVE-2026-32251
Published : March 12, 2026, 8:16 p.m. | 1 hour, 39 minutes ago
Description :Tolgee is an open-source localization platform. Prior to 3.166.3, the XML parsers used for importing Android XML resources (.xml) and .resx files don't disable external entity processing. An authenticated user who can import translation files into a project can exploit this to read arbitrary files from the server and make server-side requests to internal services. This vulnerability is fixed in 3.166.3.
Severity: 9.3 | CRITICAL
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CVE ID :CVE-2026-32251
Published : March 12, 2026, 8:16 p.m. | 1 hour, 39 minutes ago
Description :Tolgee is an open-source localization platform. Prior to 3.166.3, the XML parsers used for importing Android XML resources (.xml) and .resx files don't disable external entity processing. An authenticated user who can import translation files into a project can exploit this to read arbitrary files from the server and make server-side requests to internal services. This vulnerability is fixed in 3.166.3.
Severity: 9.3 | CRITICAL
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CVE-2026-32259 - ImageMagick has a possible stack buffer overflow in sixel encoder
CVE ID :CVE-2026-32259
Published : March 12, 2026, 8:16 p.m. | 1 hour, 39 minutes ago
Description :ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to 7.1.2-16 and 6.9.13-41, when a memory allocation fails in the sixel encoder it would be possible to write past the end of a buffer on the stack. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41.
Severity: 6.7 | MEDIUM
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CVE ID :CVE-2026-32259
Published : March 12, 2026, 8:16 p.m. | 1 hour, 39 minutes ago
Description :ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to 7.1.2-16 and 6.9.13-41, when a memory allocation fails in the sixel encoder it would be possible to write past the end of a buffer on the stack. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41.
Severity: 6.7 | MEDIUM
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CVE-2026-32260 - Command Injection via incomplete shell metacharacter blocklist in node:child_process (bypass of CVE-2026-27190 fix)
CVE ID :CVE-2026-32260
Published : March 12, 2026, 8:16 p.m. | 1 hour, 39 minutes ago
Description :Deno is a JavaScript, TypeScript, and WebAssembly runtime. From 2.7.0 to 2.7.1, A command injection vulnerability exists in Deno's node:child_process polyfill (shell: true mode) that bypasses the fix for CVE-2026-27190. The two-stage argument sanitization in transformDenoShellCommand (ext/node/polyfills/internal/child_process.ts) has a priority bug: when an argument contains a $VAR pattern, it is wrapped in double quotes (L1290) instead of single quotes. Double quotes in POSIX sh do not suppress backtick command substitution, allowing injected commands to execute. An attacker who controls arguments passed to spawnSync or spawn with shell: true can execute arbitrary OS commands, bypassing Deno's permission system. This vulnerability is fixed in 2.7.2.
Severity: 8.1 | HIGH
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CVE ID :CVE-2026-32260
Published : March 12, 2026, 8:16 p.m. | 1 hour, 39 minutes ago
Description :Deno is a JavaScript, TypeScript, and WebAssembly runtime. From 2.7.0 to 2.7.1, A command injection vulnerability exists in Deno's node:child_process polyfill (shell: true mode) that bypasses the fix for CVE-2026-27190. The two-stage argument sanitization in transformDenoShellCommand (ext/node/polyfills/internal/child_process.ts) has a priority bug: when an argument contains a $VAR pattern, it is wrapped in double quotes (L1290) instead of single quotes. Double quotes in POSIX sh do not suppress backtick command substitution, allowing injected commands to execute. An attacker who controls arguments passed to spawnSync or spawn with shell: true can execute arbitrary OS commands, bypassing Deno's permission system. This vulnerability is fixed in 2.7.2.
Severity: 8.1 | HIGH
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CVE-2026-32269 - Parse Server OAuth2 adapter app ID validation sends wrong token to introspection endpoint
CVE ID :CVE-2026-32269
Published : March 12, 2026, 8:16 p.m. | 1 hour, 39 minutes ago
Description :Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0-alpha.13 and 8.6.39, the OAuth2 authentication adapter does not correctly validate app IDs when appidField and appIds are configured. During app ID validation, a malformed value is sent to the token introspection endpoint instead of the user's actual access token. Depending on the introspection endpoint's behavior, this could either cause all OAuth2 logins to fail, or allow authentication from disallowed app contexts if the endpoint returns valid-looking data for the malformed request. Deployments using the OAuth2 adapter with appidField and appIds configured are affected. This vulnerability is fixed in 9.6.0-alpha.13 and 8.6.39.
Severity: 6.3 | MEDIUM
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CVE ID :CVE-2026-32269
Published : March 12, 2026, 8:16 p.m. | 1 hour, 39 minutes ago
Description :Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0-alpha.13 and 8.6.39, the OAuth2 authentication adapter does not correctly validate app IDs when appidField and appIds are configured. During app ID validation, a malformed value is sent to the token introspection endpoint instead of the user's actual access token. Depending on the introspection endpoint's behavior, this could either cause all OAuth2 logins to fail, or allow authentication from disallowed app contexts if the endpoint returns valid-looking data for the malformed request. Deployments using the OAuth2 adapter with appidField and appIds configured are affected. This vulnerability is fixed in 9.6.0-alpha.13 and 8.6.39.
Severity: 6.3 | MEDIUM
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CVE-2026-32274 - Black: Arbitrary file writes from unsanitized user input in cache file name
CVE ID :CVE-2026-32274
Published : March 12, 2026, 8:16 p.m. | 1 hour, 39 minutes ago
Description :Black is the uncompromising Python code formatter. Prior to 26.3.1, Black writes a cache file, the name of which is computed from various formatting options. The value of the --python-cell-magics option was placed in the filename without sanitization, which allowed an attacker who controls the value of this argument to write cache files to arbitrary file system locations. Fixed in Black 26.3.1.
Severity: 8.7 | HIGH
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CVE ID :CVE-2026-32274
Published : March 12, 2026, 8:16 p.m. | 1 hour, 39 minutes ago
Description :Black is the uncompromising Python code formatter. Prior to 26.3.1, Black writes a cache file, the name of which is computed from various formatting options. The value of the --python-cell-magics option was placed in the filename without sanitization, which allowed an attacker who controls the value of this argument to write cache files to arbitrary file system locations. Fixed in Black 26.3.1.
Severity: 8.7 | HIGH
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CVE-2026-25076 - Anchore Enterprise GraphQL Reports API SQL injection
CVE ID :CVE-2026-25076
Published : March 12, 2026, 9:07 p.m. | 48 minutes ago
Description :Anchore Enterprise versions before 5.25.1 contain an SQL injection vulnerability in the GraphQL Reports API. An authenticated attacker that is able to access the GraphQL API could execute arbitrary SQL instructions resulting in modifications to the data contained in the Anchore Enterprise database.
Severity: 8.5 | HIGH
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CVE ID :CVE-2026-25076
Published : March 12, 2026, 9:07 p.m. | 48 minutes ago
Description :Anchore Enterprise versions before 5.25.1 contain an SQL injection vulnerability in the GraphQL Reports API. An authenticated attacker that is able to access the GraphQL API could execute arbitrary SQL instructions resulting in modifications to the data contained in the Anchore Enterprise database.
Severity: 8.5 | HIGH
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CVE-2026-1526 - undici is vulnerable to Unbounded Memory Consumption in undici WebSocket permessage-deflate Decompression
CVE ID :CVE-2026-1526
Published : March 12, 2026, 9:16 p.m. | 39 minutes ago
Description :The undici WebSocket client is vulnerable to a denial-of-service attack via unbounded memory consumption during permessage-deflate decompression. When a WebSocket connection negotiates the permessage-deflate extension, the client decompresses incoming compressed frames without enforcing any limit on the decompressed data size. A malicious WebSocket server can send a small compressed frame (a "decompression bomb") that expands to an extremely large size in memory, causing the Node.js process to exhaust available memory and crash or become unresponsive. The vulnerability exists in the PerMessageDeflate.decompress() method, which accumulates all decompressed chunks in memory and concatenates them into a single Buffer without checking whether the total size exceeds a safe threshold.
Severity: 7.5 | HIGH
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CVE ID :CVE-2026-1526
Published : March 12, 2026, 9:16 p.m. | 39 minutes ago
Description :The undici WebSocket client is vulnerable to a denial-of-service attack via unbounded memory consumption during permessage-deflate decompression. When a WebSocket connection negotiates the permessage-deflate extension, the client decompresses incoming compressed frames without enforcing any limit on the decompressed data size. A malicious WebSocket server can send a small compressed frame (a "decompression bomb") that expands to an extremely large size in memory, causing the Node.js process to exhaust available memory and crash or become unresponsive. The vulnerability exists in the PerMessageDeflate.decompress() method, which accumulates all decompressed chunks in memory and concatenates them into a single Buffer without checking whether the total size exceeds a safe threshold.
Severity: 7.5 | HIGH
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CVE-2026-1527 - undici is vulnerable to CRLF Injection via upgrade option
CVE ID :CVE-2026-1527
Published : March 12, 2026, 9:16 p.m. | 39 minutes ago
Description :ImpactWhen an application passes user-controlled input to the upgrade option of client.request(), an attacker can inject CRLF sequences (\r\n) to: * Inject arbitrary HTTP headers * Terminate the HTTP request prematurely and smuggle raw data to non-HTTP services (Redis, Memcached, Elasticsearch) The vulnerability exists because undici writes the upgrade value directly to the socket without validating for invalid header characters: // lib/dispatcher/client-h1.js:1121 if (upgrade) { header += `connection: upgrade\r\nupgrade: ${upgrade}\r\n` }
Severity: 4.6 | MEDIUM
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CVE ID :CVE-2026-1527
Published : March 12, 2026, 9:16 p.m. | 39 minutes ago
Description :ImpactWhen an application passes user-controlled input to the upgrade option of client.request(), an attacker can inject CRLF sequences (\r\n) to: * Inject arbitrary HTTP headers * Terminate the HTTP request prematurely and smuggle raw data to non-HTTP services (Redis, Memcached, Elasticsearch) The vulnerability exists because undici writes the upgrade value directly to the socket without validating for invalid header characters: // lib/dispatcher/client-h1.js:1121 if (upgrade) { header += `connection: upgrade\r\nupgrade: ${upgrade}\r\n` }
Severity: 4.6 | MEDIUM
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CVE-2026-1528 - undici is vulnerable to Malicious WebSocket 64-bit length overflows undici parser and crashes the client
CVE ID :CVE-2026-1528
Published : March 12, 2026, 9:16 p.m. | 39 minutes ago
Description :ImpactA server can reply with a WebSocket frame using the 64-bit length form and an extremely large length. undici's ByteParser overflows internal math, ends up in an invalid state, and throws a fatal TypeError that terminates the process. Patches Patched in the undici version v7.24.0 and v6.24.0. Users should upgrade to this version or later.
Severity: 7.5 | HIGH
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CVE ID :CVE-2026-1528
Published : March 12, 2026, 9:16 p.m. | 39 minutes ago
Description :ImpactA server can reply with a WebSocket frame using the 64-bit length form and an extremely large length. undici's ByteParser overflows internal math, ends up in an invalid state, and throws a fatal TypeError that terminates the process. Patches Patched in the undici version v7.24.0 and v6.24.0. Users should upgrade to this version or later.
Severity: 7.5 | HIGH
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CVE-2026-2229 - undici is vulnerable to Unhandled Exception in undici WebSocket Client Due to Invalid server_max_window_bits Validation
CVE ID :CVE-2026-2229
Published : March 12, 2026, 9:16 p.m. | 39 minutes ago
Description :ImpactThe undici WebSocket client is vulnerable to a denial-of-service attack due to improper validation of the server_max_window_bits parameter in the permessage-deflate extension. When a WebSocket client connects to a server, it automatically advertises support for permessage-deflate compression. A malicious server can respond with an out-of-range server_max_window_bits value (outside zlib's valid range of 8-15). When the server subsequently sends a compressed frame, the client attempts to create a zlib InflateRaw instance with the invalid windowBits value, causing a synchronous RangeError exception that is not caught, resulting in immediate process termination. The vulnerability exists because: * The isValidClientWindowBits() function only validates that the value contains ASCII digits, not that it falls within the valid range 8-15 * The createInflateRaw() call is not wrapped in a try-catch block * The resulting exception propagates up through the call stack and crashes the Node.js process
Severity: 7.5 | HIGH
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CVE ID :CVE-2026-2229
Published : March 12, 2026, 9:16 p.m. | 39 minutes ago
Description :ImpactThe undici WebSocket client is vulnerable to a denial-of-service attack due to improper validation of the server_max_window_bits parameter in the permessage-deflate extension. When a WebSocket client connects to a server, it automatically advertises support for permessage-deflate compression. A malicious server can respond with an out-of-range server_max_window_bits value (outside zlib's valid range of 8-15). When the server subsequently sends a compressed frame, the client attempts to create a zlib InflateRaw instance with the invalid windowBits value, causing a synchronous RangeError exception that is not caught, resulting in immediate process termination. The vulnerability exists because: * The isValidClientWindowBits() function only validates that the value contains ASCII digits, not that it falls within the valid range 8-15 * The createInflateRaw() call is not wrapped in a try-catch block * The resulting exception propagates up through the call stack and crashes the Node.js process
Severity: 7.5 | HIGH
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CVE-2026-2581 - undici is vulnerable to Unbounded Memory Consumption in in Undici's DeduplicationHandler via Response Buffering leads to DoS
CVE ID :CVE-2026-2581
Published : March 12, 2026, 9:16 p.m. | 39 minutes ago
Description :This is an uncontrolled resource consumption vulnerability (CWE-400) that can lead to Denial of Service (DoS). In vulnerable Undici versions, when interceptors.deduplicate() is enabled, response data for deduplicated requests could be accumulated in memory for downstream handlers. An attacker-controlled or untrusted upstream endpoint can exploit this with large/chunked responses and concurrent identical requests, causing high memory usage and potential OOM process termination. Impacted users are applications that use Undici’s deduplication interceptor against endpoints that may produce large or long-lived response bodies. PatchesThe issue has been patched by changing deduplication behavior to stream response chunks to downstream handlers as they arrive (instead of full-body accumulation), and by preventing late deduplication when body streaming has already started. Users should upgrade to the first official Undici (and Node.js, where applicable) releases that include this patch.
Severity: 5.9 | MEDIUM
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CVE ID :CVE-2026-2581
Published : March 12, 2026, 9:16 p.m. | 39 minutes ago
Description :This is an uncontrolled resource consumption vulnerability (CWE-400) that can lead to Denial of Service (DoS). In vulnerable Undici versions, when interceptors.deduplicate() is enabled, response data for deduplicated requests could be accumulated in memory for downstream handlers. An attacker-controlled or untrusted upstream endpoint can exploit this with large/chunked responses and concurrent identical requests, causing high memory usage and potential OOM process termination. Impacted users are applications that use Undici’s deduplication interceptor against endpoints that may produce large or long-lived response bodies. PatchesThe issue has been patched by changing deduplication behavior to stream response chunks to downstream handlers as they arrive (instead of full-body accumulation), and by preventing late deduplication when body streaming has already started. Users should upgrade to the first official Undici (and Node.js, where applicable) releases that include this patch.
Severity: 5.9 | MEDIUM
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