Missing Authentication for Critical Function

Overview n8n-mcp is an Integration between n8n workflow automation and Model Context Protocol MCP Affected versions of this package are vulnerable to Missing Authentication for Critical Function due to missing authentication in several HTTP transport endpoints and exposure of sensitive operationa...

GHSA-75HX-XJ24-MQRW n8n-mcp has unauthenticated session termination and information disclosure in HTTP transport

Summary Several HTTP transport endpoints in n8n-mcp lacked proper authentication, and the health check endpoint exposed sensitive operational metadata without credentials. Impact An unauthenticated attacker with network access to the n8n-mcp HTTP server could disrupt active MCP sessions and gathe...

CVE-2026-34512

OpenClaw before 2026.3.25 contains an improper access control vulnerability in the HTTP /sessions/:sessionKey/kill route that allows any bearer-authenticated user to invoke admin-level session termination functions without proper scope validation. Attackers can exploit this by sending authenticat...

nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination

A flaw was found in nghttp2. Due to missing internal state validation, the library continues to process incoming data even after a session has been terminated. A remote attacker could exploit this by sending a specially crafted HTTP/2 frame, leading to an assertion failure and a denial of service...

nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination

A flaw was found in nghttp2. Due to missing internal state validation, the library continues to process incoming data even after a session has been terminated. A remote attacker could exploit this by sending a specially crafted HTTP/2 frame, leading to an assertion failure and a denial of service...

nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination

A flaw was found in nghttp2. Due to missing internal state validation, the library continues to process incoming data even after a session has been terminated. A remote attacker could exploit this by sending a specially crafted HTTP/2 frame, leading to an assertion failure and a denial of service...

CVE-2026-34512: Incorrect Authorization

OpenClaw before 2026.3.25 contains an improper access control vulnerability in the HTTP /sessions/:sessionKey/kill route that allows any bearer-authenticated user to invoke admin-level session termination functions without proper scope validation. Attackers can exploit this by sending authenticat...

nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination

A flaw was found in nghttp2. Due to missing internal state validation, the library continues to process incoming data even after a session has been terminated. A remote attacker could exploit this by sending a specially crafted HTTP/2 frame, leading to an assertion failure and a denial of service...

nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination

A flaw was found in nghttp2. Due to missing internal state validation, the library continues to process incoming data even after a session has been terminated. A remote attacker could exploit this by sending a specially crafted HTTP/2 frame, leading to an assertion failure and a denial of service...

Improper Privilege Management

Overview openclaw is a 🦞 OpenClaw — Personal AI Assistant Affected versions of this package are vulnerable to Improper Privilege Management in the POST /sessions/:sessionKey/kill process. An attacker can terminate active subagent sessions by sending requests with only read-scoped identity-bearing...

CVE-2026-34772

A flaw was found in Electron, a framework used for developing cross-platform desktop applications. This vulnerability, known as a use-after-free, affects applications that manage downloads and actively terminate user sessions. It occurs when a user dismisses a file save dialog while the applicati...

CI4MS 安全漏洞

CI4MS is an open-source blog page management tool developed by Ci4MS. Versions of CI4MS prior to 0.31.0.0 contained security vulnerabilities. These vulnerabilities stemmed from the failure to immediately terminate active user sessions after accounts were disabled, potentially allowing persistent...

CI4MS 安全漏洞

CI4MS is an open-source blog page management tool developed by Ci4MS. Versions of CI4MS prior to 0.31.0.0 contained security vulnerabilities. These vulnerabilities stemmed from the failure to immediately terminate user sessions after accounts were deleted, allowing for persistent unauthorized...

CVE-2026-27135

A flaw was found in nghttp2. Due to missing internal state validation, the library continues to process incoming data even after a session has been terminated. A remote attacker could exploit this by sending a specially crafted HTTP/2 frame, leading to an assertion failure and a denial of service...

GHSA-PCGW-QCV5-H8CH Unsigned SAML LogoutRequest Acceptance in gosaml2

Summary The ValidateEncodedLogoutRequestPOST function in gosaml2 accepts completely unsigned SAML LogoutRequest messages even when SkipSignatureValidation is set to false. When validateElementSignature returns dsig.ErrMissingSignature, the code in decodelogoutrequest.go:60-62 silently falls throu...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature via the ValidateEncodedLogoutRequestPOST function. An attacker can terminate arbitrary user sessions by sending a forged, unsigned SAML LogoutRequest to the Single Logout endpoint, even...

Unsigned SAML LogoutRequest Acceptance in gosaml2

Summary The ValidateEncodedLogoutRequestPOST function in gosaml2 accepts completely unsigned SAML LogoutRequest messages even when SkipSignatureValidation is set to false. When validateElementSignature returns dsig.ErrMissingSignature, the code in decodelogoutrequest.go:60-62 silently falls throu...

AZL-80103 CVE-2026-27135 affecting package nghttp2 for versions less than 1.61.0-3

nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. Prior to version 1.68.1, the nghttp2 library stops reading the incoming data when user facing public API nghttp2sessionterminatesession or nghttp2sessionterminatesession2 is called by the application. They might be...

AZL-80219 CVE-2026-27135 affecting package cmake for versions less than 3.30.3-13

nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. Prior to version 1.68.1, the nghttp2 library stops reading the incoming data when user facing public API nghttp2sessionterminatesession or nghttp2sessionterminatesession2 is called by the application. They might be...

AZL-80235 CVE-2026-27135 affecting package nodejs for versions less than 20.14.0-14

nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. Prior to version 1.68.1, the nghttp2 library stops reading the incoming data when user facing public API nghttp2sessionterminatesession or nghttp2sessionterminatesession2 is called by the application. They might be...