π¨ CVE-2026-11718
An authentication bypass vulnerability exists in the generic opaque token validation path (validateOpaqueToken) of googleapis/mcp-toolbox.
When the toolbox validates an opaque token via an OAuth 2.0 introspection endpoint (RFC 7662), it decodes the response into an introspectResp struct. However, the subsequent claim-checking logic (validateClaims) evaluates the issuer condition as if a.issuer != "" && iss != "". If the external OAuth provider's introspection response omits the optional iss (issuer) field completely, the variable iss defaults to an empty string. This causes the conditional block to evaluate to false and be skipped silently. Consequently, the application accepts tokens issued by unauthorized or unintended third-party identity providers.
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An authentication bypass vulnerability exists in the generic opaque token validation path (validateOpaqueToken) of googleapis/mcp-toolbox.
When the toolbox validates an opaque token via an OAuth 2.0 introspection endpoint (RFC 7662), it decodes the response into an introspectResp struct. However, the subsequent claim-checking logic (validateClaims) evaluates the issuer condition as if a.issuer != "" && iss != "". If the external OAuth provider's introspection response omits the optional iss (issuer) field completely, the variable iss defaults to an empty string. This causes the conditional block to evaluate to false and be skipped silently. Consequently, the application accepts tokens issued by unauthorized or unintended third-party identity providers.
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GitHub
fix(auth/generic): enforce issuer presence in opaque token validation by duwenxin99 Β· Pull Request #3360 Β· googleapis/mcp-toolbox
Reported by: HaoNH, Red Team Leader at VinCSS.
π¨ CVE-2026-11719
An authenticated authorization bypass vulnerability exists in MCP Toolbox for Databases due to missing scope enforcement across older protocol handlers.
While the 2025-11-25 protocol version handler correctly enforces per-tool restrictions defined by scopesRequired, older supported protocol versions (2025-06-18, 2025-03-26, and 2024-11-05) omit this check. An authenticated client with low-privilege tokens (e.g., read) can bypass the intended per-tool scope restrictions and execute high-privilege tools (e.g., admin) simply by specifying an older protocol version in the MCP-Protocol-Version header, or by omitting the header entirely (which causes the server to default to the vulnerable 2024-11-05 handler).
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An authenticated authorization bypass vulnerability exists in MCP Toolbox for Databases due to missing scope enforcement across older protocol handlers.
While the 2025-11-25 protocol version handler correctly enforces per-tool restrictions defined by scopesRequired, older supported protocol versions (2025-06-18, 2025-03-26, and 2024-11-05) omit this check. An authenticated client with low-privilege tokens (e.g., read) can bypass the intended per-tool scope restrictions and execute high-privilege tools (e.g., admin) simply by specifying an older protocol version in the MCP-Protocol-Version header, or by omitting the header entirely (which causes the server to default to the vulnerable 2024-11-05 handler).
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GitHub
feat(auth): implement MCP auth tool-level scopes validation by duwenxin99 Β· Pull Request #3049 Β· googleapis/mcp-toolbox
MCP Toolbox for Databases is an open source MCP server for databases. - feat(auth): implement MCP auth tool-level scopes validation by duwenxin99 Β· Pull Request #3049 Β· googleapis/mcp-toolbox
π¨ CVE-2019-25758
Joomla! Component vBizz 1.0.7 contains an unrestricted file upload vulnerability that allows authenticated attackers to upload arbitrary PHP files by submitting malicious files through the profile_pic parameter. Attackers can upload PHP files via POST requests to the employee view endpoint and execute them from the uploads directory to achieve remote code execution.
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Joomla! Component vBizz 1.0.7 contains an unrestricted file upload vulnerability that allows authenticated attackers to upload arbitrary PHP files by submitting malicious files through the profile_pic parameter. Attackers can upload PHP files via POST requests to the employee view endpoint and execute them from the uploads directory to achieve remote code execution.
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WDMtech
Top Web, Mobile, Custom Software Development Company
WDMtech is the best software development company in India. We deliver web software & mobile app development solutions for every startup and big brand.
π¨ CVE-2019-25759
Joomla! Component vBizz 1.0.7 contains an SQL injection vulnerability that allows authenticated attackers to execute arbitrary SQL queries by injecting malicious code through the payid parameter. Attackers can submit POST requests to the employee management interface with crafted payid array values containing SQL commands to extract sensitive database information including version and database names.
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Joomla! Component vBizz 1.0.7 contains an SQL injection vulnerability that allows authenticated attackers to execute arbitrary SQL queries by injecting malicious code through the payid parameter. Attackers can submit POST requests to the employee management interface with crafted payid array values containing SQL commands to extract sensitive database information including version and database names.
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WDMtech
Top Web, Mobile, Custom Software Development Company
WDMtech is the best software development company in India. We deliver web software & mobile app development solutions for every startup and big brand.
π¨ CVE-2026-17523
A flaw was found in the Linux kernel in net/can/bcm.c in can: bcm, where an unprivileged local user can exploit this vulnerability to execute arbitrary code within the kernel, which leads to a local privilege escalation (LPE). This allows the attacker to gain root privileges and take full control of the affected system.
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A flaw was found in the Linux kernel in net/can/bcm.c in can: bcm, where an unprivileged local user can exploit this vulnerability to execute arbitrary code within the kernel, which leads to a local privilege escalation (LPE). This allows the attacker to gain root privileges and take full control of the affected system.
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π¨ CVE-2026-11770
A flaw was found in 389 Directory Server. An unauthenticated remote attacker can inject LDAP search filters into the CleanAllRUV replication status-check extended operation. Because the handler performs the search against cn=config with elevated replication plugin privileges and returns a boolean match result, the attacker can extract sensitive server configuration metadata, including replication bind DNs and password storage scheme information.
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A flaw was found in 389 Directory Server. An unauthenticated remote attacker can inject LDAP search filters into the CleanAllRUV replication status-check extended operation. Because the handler performs the search against cn=config with elevated replication plugin privileges and returns a boolean match result, the attacker can extract sensitive server configuration metadata, including replication bind DNs and password storage scheme information.
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π¨ CVE-2026-15722
A stack buffer overflow flaw was found in 389 Directory Server (389-ds-base). The get_ruvelement_from_berval() function in repl5_ruv.c copies digit characters from a network-supplied RUV berval into a fixed 16-byte stack buffer without bounds checking. A remote unauthenticated attacker can crash the LDAP server by sending a crafted StartNSDS50ReplicationRequest extended operation containing a replica ID field with more than 16 digit characters. The overflow occurs during payload decoding, before any authorization check. Stack protectors limit impact to denial of service.
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A stack buffer overflow flaw was found in 389 Directory Server (389-ds-base). The get_ruvelement_from_berval() function in repl5_ruv.c copies digit characters from a network-supplied RUV berval into a fixed 16-byte stack buffer without bounds checking. A remote unauthenticated attacker can crash the LDAP server by sending a crafted StartNSDS50ReplicationRequest extended operation containing a replica ID field with more than 16 digit characters. The overflow occurs during payload decoding, before any authorization check. Stack protectors limit impact to denial of service.
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π¨ CVE-2026-61920
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DNS allows an authorized attacker to execute code over a network.
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Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DNS allows an authorized attacker to execute code over a network.
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π¨ CVE-2026-62722
Heap-based buffer overflow in Windows Brokering File System allows an authorized attacker to elevate privileges locally.
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Heap-based buffer overflow in Windows Brokering File System allows an authorized attacker to elevate privileges locally.
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π¨ CVE-2026-62769
Numeric truncation error in Windows DNS allows an authorized attacker to elevate privileges locally.
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Numeric truncation error in Windows DNS allows an authorized attacker to elevate privileges locally.
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π¨ CVE-2026-62778
Use after free in Windows DNS allows an unauthorized attacker to elevate privileges over a network.
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Use after free in Windows DNS allows an unauthorized attacker to elevate privileges over a network.
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π¨ CVE-2026-62787
Use after free in Windows DNS allows an authorized attacker to execute code over a network.
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Use after free in Windows DNS allows an authorized attacker to execute code over a network.
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π¨ CVE-2026-62817
Out-of-bounds write in Windows DNS allows an unauthorized attacker to execute code over an adjacent network.
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Out-of-bounds write in Windows DNS allows an unauthorized attacker to execute code over an adjacent network.
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π¨ CVE-2026-62820
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DNS allows an unauthorized attacker to execute code over a network.
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Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DNS allows an unauthorized attacker to execute code over a network.
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π¨ CVE-2026-62881
Numeric truncation error in Windows DNS allows an authorized attacker to elevate privileges locally.
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Numeric truncation error in Windows DNS allows an authorized attacker to elevate privileges locally.
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π¨ CVE-2026-16722
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to obtain unauthorized privileges due to improper privilege management.
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IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to obtain unauthorized privileges due to improper privilege management.
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Ibm
Security Bulletin: IBM i is Affected By An Unauthorized Privileges Vulnerability in SQL [CVE-2026-16722]
IBM i is vulnerable to obtaining unauthorized privleges due to improper privilege management [CVE-2026-16722] in SQL as described in the vulnerability details section.
π¨ CVE-2026-16975
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to execute arbitrary code due to a heap-based buffer overflow.
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IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to execute arbitrary code due to a heap-based buffer overflow.
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Ibm
Security Bulletin: IBM i is Affected By A Remote Code Execution Vulnerability [CVE-2026-16975]
IBM i is vulnerable to remote code execution due to a heap-based buffer overflow [CVE-2026-16975] as described in the vulnerability details section.
π¨ CVE-2026-72856
Budibase versions before 3.40.0 contain an authorization/authentication bypass in the PUT /api/global/users/tenant/owner (changeTenantOwnerEmail) endpoint. On self-hosted instances (SELF_HOSTED or DISABLE_ACCOUNT_PORTAL set), the cloudRestricted middleware is a no-op and the route is protected only by a general authentication check, so any authenticated user β including a lowest-privilege BASIC app user β can reassign the tenant account-holder (top-privilege admin) email to an attacker-controlled address. The attacker can then use the public password-reset flow to take over the admin account, leading to full administrative access.
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Budibase versions before 3.40.0 contain an authorization/authentication bypass in the PUT /api/global/users/tenant/owner (changeTenantOwnerEmail) endpoint. On self-hosted instances (SELF_HOSTED or DISABLE_ACCOUNT_PORTAL set), the cloudRestricted middleware is a no-op and the route is protected only by a general authentication check, so any authenticated user β including a lowest-privilege BASIC app user β can reassign the tenant account-holder (top-privilege admin) email to an attacker-controlled address. The attacker can then use the public password-reset flow to take over the admin account, leading to full administrative access.
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GitHub
Any authenticated user (incl. BASIC) can change the account-holder/admin email
### Summary
PUT /api/global/users/tenant/owner (changeTenantOwnerEmail) reassigns the email of the tenant account holder (the top-privilege admin), saving with isAccountHolder:true, allowChangingE...
PUT /api/global/users/tenant/owner (changeTenantOwnerEmail) reassigns the email of the tenant account holder (the top-privilege admin), saving with isAccountHolder:true, allowChangingE...
π¨ CVE-2026-16810
The Bit Form β Contact Form, Payment Forms, Multi Step Forms, Calculator & Custom Form Builder plugin for WordPress is vulnerable to generic SQL Injection via the 'data[queryCondition]' parameter in all versions up to, and including, 3.2.0 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with administrator-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
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The Bit Form β Contact Form, Payment Forms, Multi Step Forms, Calculator & Custom Form Builder plugin for WordPress is vulnerable to generic SQL Injection via the 'data[queryCondition]' parameter in all versions up to, and including, 3.2.0 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with administrator-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
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π¨ CVE-2026-72812
SiYuan versions before v3.7.4 contain a missing authorization vulnerability in the /api/ref/refreshBacklink endpoint that allows anonymous readers to trigger persistent server-side writes. Attackers can invoke the endpoint with an attacker-controlled block ID to flush transaction queues, scan all references globally, and enqueue database writes, bypassing read-only protections and enabling resource amplification attacks.
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SiYuan versions before v3.7.4 contain a missing authorization vulnerability in the /api/ref/refreshBacklink endpoint that allows anonymous readers to trigger persistent server-side writes. Attackers can invoke the endpoint with an attacker-controlled block ID to flush transaction queues, scan all references globally, and enqueue database writes, bypassing read-only protections and enabling resource amplification attacks.
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GitHub
Missing authorization on refreshBacklink allows anonymous readers to trigger persistent server-side writes and unauthenticatedβ¦
### Summary
The `/api/ref/refreshBacklink` endpoint is gated by `CheckAuth` only. Unlike its mutating siblings, it carries no `CheckAdminRole`, no `CheckReadonly`, and no inline reader-role guar...
The `/api/ref/refreshBacklink` endpoint is gated by `CheckAuth` only. Unlike its mutating siblings, it carries no `CheckAdminRole`, no `CheckReadonly`, and no inline reader-role guar...
π¨ CVE-2026-72817
go-chi/chi versions 0.9.0 before 5.3.0 contains an IP spoofing vulnerability in the RealIP middleware, which resolves the request source IP (Request.RemoteAddr) using the first IP in the X-Forwarded-For header without validating trusted proxies. A malicious client can prepend a forged IP as the first value of the X-Forwarded-For header to spoof the request source IP, potentially bypassing access controls or falsifying request logs.
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go-chi/chi versions 0.9.0 before 5.3.0 contains an IP spoofing vulnerability in the RealIP middleware, which resolves the request source IP (Request.RemoteAddr) using the first IP in the X-Forwarded-For header without validating trusted proxies. A malicious client can prepend a forged IP as the first value of the X-Forwarded-For header to spoof the request source IP, potentially bypassing access controls or falsifying request logs.
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GitHub
Potential IP Spoofing via `X-Forwarded-For` Header in `Request.RemoteAddr` Resolution
### Summary
The vulnerability allows the `Request.RemoteAddr` to be spoofed when determining the request source IP via the `X-Forwarded-For` header. This could result in misidentification of the r...
The vulnerability allows the `Request.RemoteAddr` to be spoofed when determining the request source IP via the `X-Forwarded-For` header. This could result in misidentification of the r...