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CVE-2026-42233 - n8n: SQL Injection in Oracle Database Node via Limit Field

CVE ID :CVE-2026-42233
Published : May 4, 2026, 7:16 p.m. | 2 hours, 41 minutes ago
Description :n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, a flaw in the Oracle Database node's select operation allowed user-controlled input passed into the Limit field via expressions to be interpolated directly into the SQL query without sanitization or parameterization. In workflows where external input is passed into the Limit field (e.g., from a webhook), an attacker could inject arbitrary SQL and exfiltrate data from the connected Oracle database. This issue has been patched in versions 1.123.32, 2.17.4, and 2.18.1.
Severity: 5.3 | MEDIUM
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CVE-2026-42234 - n8n: Python Task Runner Sandbox Escape

CVE ID :CVE-2026-42234
Published : May 4, 2026, 7:16 p.m. | 2 hours, 41 minutes ago
Description :n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, an authenticated user with permission to create or modify workflows containing a Python Code Node could escape the sandbox and achieve arbitrary code execution on the task runner container. This issue only affects instances where the Python Task Runner is enabled. This issue has been patched in versions 1.123.32, 2.17.4, and 2.18.1.
Severity: 7.1 | HIGH
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CVE-2026-42235 - n8n: XSS via MCP OAuth client

CVE ID :CVE-2026-42235
Published : May 4, 2026, 7:16 p.m. | 2 hours, 41 minutes ago
Description :n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, an unauthenticated attacker could register a malicious MCP OAuth client with a crafted client_name. If a victim user authorized the OAuth consent dialog and a second user subsequently revoked that access, a toast notification would render the injected script. Clicking the link would execute arbitrary JavaScript in the victim's authenticated n8n browser session, enabling credential and session token theft, workflow manipulation, or privilege escalation. This issue has been patched in versions 1.123.32, 2.17.4, and 2.18.1.
Severity: 8.8 | HIGH
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CVE-2026-42236 - n8n: Unauthenticated Denial of Service via MCP Client Registration

CVE ID :CVE-2026-42236
Published : May 4, 2026, 7:16 p.m. | 2 hours, 41 minutes ago
Description :n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, the MCP OAuth client registration endpoint accepted unauthenticated requests and stored client data without adequate resource controls. An unauthenticated remote attacker could exhaust server memory resources by sending large registration payloads, rendering the n8n instance unavailable. The MCP enable/disable toggle gates MCP access but did not restrict client registrations, meaning the endpoint is reachable regardless of whether MCP access is enabled on the instance. This issue has been patched in versions 1.123.32, 2.17.4, and 2.18.1.
Severity: 8.7 | HIGH
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CVE-2026-42237 - n8n: SQL Injection in Snowflake and MySQL Nodes

CVE ID :CVE-2026-42237
Published : May 4, 2026, 7:16 p.m. | 2 hours, 41 minutes ago
Description :n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, the fix for GHSA-f3f2-mcxc-pwjx did not cover the Snowflake node or the legacy MySQL v1 node. Both nodes construct SQL queries by directly interpolating user-controlled table names, column names, and update keys into query strings without identifier escaping, enabling SQL injection against the connected database. This issue has been patched in versions 1.123.32, 2.17.4, and 2.18.1.
Severity: 5.3 | MEDIUM
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CVE-2026-43964 - Postfix Buffer Over-Read Vulnerability

CVE ID :CVE-2026-43964
Published : May 4, 2026, 7:16 p.m. | 2 hours, 41 minutes ago
Description :Postfix before 3.8.16, 3.9 before 3.9.10, and 3.10 before 3.10.9 sometimes allows a buffer over-read and process crash via an enhanced status code that lacks text after the third number.
Severity: 3.7 | LOW
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CVE-2025-67796 - IKUS Rdiffweb Improper Authorization Vulnerability

CVE ID :CVE-2025-67796
Published : May 4, 2026, 8:16 p.m. | 1 hour, 41 minutes ago
Description :IKUS Rdiffweb before 2.10.5 has an improper authorization flaw that allows an attacker with any valid or stolen access token to act as other users. The API does not enforce binding between the authenticated subject and the targeted user/tenant, so crafted requests can read or modify other users data and, in some cases, perform privileged actions. This issue may enable cross-tenant access. Fixed in version 2.10.6.
Severity: 0.0 | NA
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CVE-2026-34882 - Apache XSS

CVE ID :CVE-2026-34882
Published : May 4, 2026, 8:16 p.m. | 1 hour, 41 minutes ago
Description :Rejected reason: DO NOT USE THIS CVE RECORD. ConsultIDs: CVE-2026-6074. Reason: This record is a reservation duplicate of CVE-2026-6074. Notes: All CVE users should reference CVE-2026-6074 instead of this record. All references and descriptions in this record have been removed to prevent accidental usage.
Severity: 0.0 | NA
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CVE-2026-41922 - WDR201A WiFi Extender OS Command Injection via wireless.cgi

CVE ID :CVE-2026-41922
Published : May 4, 2026, 8:16 p.m. | 1 hour, 41 minutes ago
Description :WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) contains an OS command injection vulnerability in the wireless.cgi binary that allow unauthenticated remote attackers to execute arbitrary shell commands by injecting malicious input into the sz11gChannel or PIN POST parameters. Attackers can exploit unsanitized parameter handling in the set_wifi_basic and set_wifi_do_wps functions to achieve remote code execution without authentication.
Severity: 9.3 | CRITICAL
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CVE-2026-41923 - WDR201A WiFi Extender OS Command Injection via internet.cgi

CVE ID :CVE-2026-41923
Published : May 4, 2026, 8:16 p.m. | 1 hour, 41 minutes ago
Description :WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) contains an OS command injection vulnerability in the internet.cgi binary that allows unauthenticated remote attackers to execute arbitrary shell commands by injecting malicious input into the gateway POST parameter. Attackers can exploit unsanitized parameter concatenation in the set_add_routing function to inject shell commands that are executed via popen() with partial output reflected in the HTTP response.
Severity: 9.3 | CRITICAL
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CVE-2026-41924 - WDR201A WiFi Extender OS Command Injection via makeRequest.cgi

CVE ID :CVE-2026-41924
Published : May 4, 2026, 8:16 p.m. | 1 hour, 41 minutes ago
Description :WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) contains an OS command injection vulnerability in the makeRequest.cgi binary that allows unauthenticated remote attackers to execute arbitrary shell commands by injecting malicious input into the set_time or StartSniffer functions. Attackers can craft a POST request with specially crafted ampersand-delimited parameters to bypass input sanitization and execute commands with a maximum length of 31 bytes through the date command or channel parameter processing.
Severity: 9.3 | CRITICAL
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CVE-2026-41925 - WDR201A WiFi Extender OS Command Injection via adm.cgi (reboot_time)

CVE ID :CVE-2026-41925
Published : May 4, 2026, 8:16 p.m. | 1 hour, 41 minutes ago
Description :WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) contains an OS command injection vulnerability in the adm.cgi binary's reboot_time function that allows unauthenticated remote attackers to execute arbitrary shell commands by injecting malicious input into the reboot_time POST parameter. Attackers can send a crafted request with shell metacharacters in the reboot_time parameter when reboot_enabled=1 to achieve remote code execution.
Severity: 9.3 | CRITICAL
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CVE-2026-41926 - WDR201A WiFi Extender OS Command Injection via firewall.cgi

CVE ID :CVE-2026-41926
Published : May 4, 2026, 8:16 p.m. | 1 hour, 41 minutes ago
Description :WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) contains an OS command injection vulnerability in the firewall.cgi binary across five request handlers that apply insufficient input validation. Attackers can inject arbitrary shell commands through vulnerable parameters like websURLFilter, websHostFilter, portForward, singlePortForward, and ipportFilter using subshell syntax or unfiltered parameters, with payloads persisting in NVRAM and re-executing on every subsequent firewall.cgi request.
Severity: 9.3 | CRITICAL
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CVE-2026-41927 - WDR201A WiFi Extender Stack-Based Buffer Overflow via firewall.cgi

CVE ID :CVE-2026-41927
Published : May 4, 2026, 8:16 p.m. | 1 hour, 41 minutes ago
Description :WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) contains a stack-based buffer overflow vulnerability in the firewall.cgi and makeRequest.cgi binaries that allows unauthenticated attackers to overwrite the saved return address by sending a POST request with a Content-Length header exceeding 512 bytes. Attackers can exploit insufficient length validation in the fgets() call to achieve arbitrary code execution through return-oriented programming or return-to-libc techniques.
Severity: 8.3 | HIGH
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CVE-2026-6321 - fast-uri vulnerable to path traversal via percent-encoded dot segments

CVE ID :CVE-2026-6321
Published : May 4, 2026, 8:16 p.m. | 1 hour, 41 minutes ago
Description :fast-uri decoded percent-encoded path separators and dot segments before applying dot-segment removal in its normalize() and equal() functions. Encoded path data was treated like real slashes and parent-directory references, so distinct URIs could collapse onto the same normalized path. Applications that normalize or compare attacker-controlled URLs to enforce path-based policy can be bypassed, with a path that appears confined under an allowed prefix normalizing to a different location. Versions <= 3.1.0 are affected. Update to 3.1.1 or later.
Severity: 7.5 | HIGH
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CVE-2026-7768 - @fastify/accepts-serializer vulnerable to Denial of Service via Unbounded Accept Header Cache Growth

CVE ID :CVE-2026-7768
Published : May 4, 2026, 8:16 p.m. | 1 hour, 41 minutes ago
Description :@fastify/accepts-serializer cached serializer-selection results keyed by the request Accept header without a size limit or eviction policy. A remote unauthenticated client could send many distinct but matching Accept header variants to make the cache grow unbounded, eventually exhausting the Node.js heap and crashing the process. Versions <= 6.0.3 are affected. Update to 6.0.4 or later, which bounds the cache via an LRU with a default size of 100 entries, configurable through the new cacheSize plugin option.
Severity: 7.5 | HIGH
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CVE-2026-42220 - nginx-ui: Authenticated settings disclosure exposes node.secret and enables trusted-node authentication abuse, backup exfiltration, and restore-based nginx-ui state rollback

CVE ID :CVE-2026-42220
Published : May 4, 2026, 9:16 p.m. | 41 minutes ago
Description :Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.8, an authenticated user can call GET /api/settings and retrieve sensitive configuration values, including node.secret. The same node.secret is accepted by AuthRequired() through the X-Node-Secret header (or node_secret query parameter), causing the request to be treated as authenticated via the trusted-node path and associated with the init user. This issue has been patched in version 2.3.8.
Severity: 6.5 | MEDIUM
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CVE-2026-42221 - nginx-ui: Unauthenticated First-Run Installer Allows Remote Initial Admin Claim

CVE ID :CVE-2026-42221
Published : May 4, 2026, 9:16 p.m. | 41 minutes ago
Description :Nginx UI is a web user interface for the Nginx web server. From version 2.0.0 to before version 2.3.8, an unauthenticated network attacker can claim the initial administrator account on a fresh nginx-ui instance during the first-run setup window. The public /api/install endpoint is reachable without authentication, and the request-encryption flow only protects payload confidentiality in transit; it does not authenticate who is allowed to perform installation. A remote attacker who reaches the service before the legitimate operator can set the admin email, username, and password, causing permanent initial-instance takeover. This issue has been patched in version 2.3.8.
Severity: 8.1 | HIGH
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CVE-2026-42222 - nginx-ui: Unauthenticated first-boot instance claim via POST /api/install allows remote bootstrap takeover

CVE ID :CVE-2026-42222
Published : May 4, 2026, 9:16 p.m. | 41 minutes ago
Description :Nginx UI is a web user interface for the Nginx web server. In version 2.3.5, an unauthenticated bootstrap takeover exists in nginx-ui during the initial installation window exposed by POST /api/install. At time of publication no public patches are available.
Severity: 8.1 | HIGH
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CVE-2026-42223 - nginx-ui: Settings API Exposes Protected Secrets

CVE ID :CVE-2026-42223
Published : May 4, 2026, 9:16 p.m. | 41 minutes ago
Description :Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.8, the GetSettings API handler (api/settings/settings.go:24-65) serializes all settings structs to JSON and returns them to authenticated users. Many sensitive fields are tagged with protected:"true" - however, this tag is only enforced during writes (via ProtectedFill in SaveSettings) and is completely ignored during reads. This exposes 40+ protected fields including JwtSecret (enabling auth token forgery), NodeSecret (enabling cluster node impersonation), OIDC ClientSecret (enabling OAuth account takeover), and the IP whitelist configuration. This issue has been patched in version 2.3.8.
Severity: 6.5 | MEDIUM
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CVE-2026-42238 - Unauthenticated Remote Code Execution via Backup Restore in nginx-ui

CVE ID :CVE-2026-42238
Published : May 4, 2026, 9:16 p.m. | 41 minutes ago
Description :Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.8, nginx-ui exposes a backup restore endpoint (POST /api/restore) that is completely unauthenticated during the first 10 minutes after process startup on any fresh installation. An unauthenticated remote attacker can upload a crafted backup archive that overwrites the application's configuration file (app.ini) and SQLite database. Because the attacker controls the restored app.ini, they can inject an arbitrary OS command into the TestConfigCmd setting. After the application automatically restarts to apply the restored config, a single follow-up request triggers that command as the user running nginx-ui — typically root in Docker deployments. This issue has been patched in version 2.3.8.
Severity: 9.0 | CRITICAL
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