Exploit for CVE-2026-39912

CVE-2026-39912 - Xboard / V2Board Unauth Account Takeover M...

CVE-2026-39911

Hashgraph Guardian through version 3.5.1, fixed in commit 45fbe2f, contains an unsandboxed JavaScript execution vulnerability in the Custom Logic policy block worker that allows authenticated Standard Registry users to execute arbitrary code by passing user-supplied JavaScript expressions directl...

Weak Authentication

Overview Affected versions of this package are vulnerable to Weak Authentication due to improper validation of oauthuserid in the TokenGuard::authenticateViaBearerToken function. An attacker can gain unauthorized access to unrelated user accounts by presenting a machine-to-machine token with a...

CVE-2026-39911 Hashgraph Guardian 3.5.1 Unsandboxed JavaScript Execution RCE

Hashgraph Guardian through version 3.5.1, fixed in commit 45fbe2f, contains an unsandboxed JavaScript execution vulnerability in the Custom Logic policy block worker that allows authenticated Standard Registry users to execute arbitrary code by passing user-supplied JavaScript expressions directl...

GHSA-5H3F-885M-V22W OpenClaw: Existing WS sessions survive shared gateway token rotation

Impact Existing WS sessions survive shared gateway token rotation. Rotating the shared gateway token did not disconnect existing shared-token WebSocket sessions. OpenClaw is a user-controlled local assistant. This advisory is scoped to the OpenClaw trust model and does not assume a multi-tenant...

Insufficient Session Expiration

Overview openclaw is a 🦞 OpenClaw — Personal AI Assistant Affected versions of this package are vulnerable to Insufficient Session Expiration due to the failure to terminate existing WebSocket sessions upon shared gateway token rotation. An attacker can maintain unauthorized access to an active...

OpenClaw: Existing WS sessions survive shared gateway token rotation

Impact Existing WS sessions survive shared gateway token rotation. Rotating the shared gateway token did not disconnect existing shared-token WebSocket sessions. OpenClaw is a user-controlled local assistant. This advisory is scoped to the OpenClaw trust model and does not assume a multi-tenant...

Incorrect Authorization

Overview openclaw is a 🦞 OpenClaw — Personal AI Assistant Affected versions of this package are vulnerable to Incorrect Authorization via the device.token.rotate function. An attacker can obtain unauthorized access to roles or scopes by rotating device tokens without the required pairing approval...

GHSA-WHF9-3HCX-GQ54 OpenClaw `device.token.rotate` mints tokens for unapproved roles, bypassing device role-upgrade pairing

Impact OpenClaw device.token.rotate mints tokens for unapproved roles, bypassing device role-upgrade pairing. Device token rotation could mint or preserve roles/scopes that had not gone through the intended pairing approval. OpenClaw is a user-controlled local assistant. This advisory is scoped t...

OpenClaw `device.token.rotate` mints tokens for unapproved roles, bypassing device role-upgrade pairing

Impact OpenClaw device.token.rotate mints tokens for unapproved roles, bypassing device role-upgrade pairing. Device token rotation could mint or preserve roles/scopes that had not gone through the intended pairing approval. OpenClaw is a user-controlled local assistant. This advisory is scoped t...

CVE-2026-39976

CVE-2026-39976 affects Laravel Passport's TokenGuard in versions 13.0.0–13.7.0. The underlying league/oauth2-server sets the JWT sub claim to the client identifier (no user) and TokenGuard passes this value to retrieveById() without validating that it is a user, allowing a client_credentials toke...

CVE-2026-39976 Laravel Passport's TokenGuard Authenticates Unrelated User for Client Credentials Tokens

Laravel Passport provides OAuth2 server support to Laravel. From 13.0.0 to before 13.7.1, there is an Authentication Bypass for clientcredentials tokens. the league/oauth2-server library sets the JWT sub claim to the client identifier since there's no user. The token guard then passes this value ...

CVE-2026-39976 Laravel Passport's TokenGuard Authenticates Unrelated User for Client Credentials Tokens

Laravel Passport provides OAuth2 server support to Laravel. From 13.0.0 to before 13.7.1, there is an Authentication Bypass for clientcredentials tokens. the league/oauth2-server library sets the JWT sub claim to the client identifier since there's no user. The token guard then passes this value ...

CVE-2026-39974 n8n-MCP has an Authenticated SSRF via instance-URL header in multi-tenant HTTP mode

n8n-MCP is a Model Context Protocol MCP server that provides AI assistants with comprehensive access to n8n node documentation, properties, and operations. Prior to 2.47.4, an authenticated Server-Side Request Forgery in n8n-mcp allows a caller holding a valid AUTHTOKEN to cause the server to iss...

CVE-2026-39974 n8n-MCP has an Authenticated SSRF via instance-URL header in multi-tenant HTTP mode

n8n-MCP is a Model Context Protocol MCP server that provides AI assistants with comprehensive access to n8n node documentation, properties, and operations. Prior to 2.47.4, an authenticated Server-Side Request Forgery in n8n-mcp allows a caller holding a valid AUTHTOKEN to cause the server to iss...

CVE-2026-39974 n8n-MCP has an Authenticated SSRF via instance-URL header in multi-tenant HTTP mode

n8n-MCP is a Model Context Protocol MCP server that provides AI assistants with comprehensive access to n8n node documentation, properties, and operations. Prior to 2.47.4, an authenticated Server-Side Request Forgery in n8n-mcp allows a caller holding a valid AUTHTOKEN to cause the server to iss...

EUVD-2026-20968

n8n-MCP is a Model Context Protocol MCP server that provides AI assistants with comprehensive access to n8n node documentation, properties, and operations. Prior to 2.47.4, an authenticated Server-Side Request Forgery in n8n-mcp allows a caller holding a valid AUTHTOKEN to cause the server to iss...

CVE-2026-39974

n8n-MCP is a Model Context Protocol MCP server that provides AI assistants with comprehensive access to n8n node documentation, properties, and operations. Prior to 2.47.4, an authenticated Server-Side Request Forgery in n8n-mcp allows a caller holding a valid AUTHTOKEN to cause the server to iss...

fast-jwt has a ReDoS when using RegExp in allowed* leading to CPU exhaustion during token verification

⚠️ IMPORTANT CLARIFICATIONS Affected Configurations This vulnerability ONLY affects applications that: - Use RegExp objects not strings in the allowedAud, allowedIss, allowedSub, allowedJti, or allowedNonce options - Configure patterns susceptible to catastrophic backtracking - Example: allowedAud...

GHSA-CJW9-GHJ4-FWXF fast-jwt has a ReDoS when using RegExp in allowed* leading to CPU exhaustion during token verification

⚠️ IMPORTANT CLARIFICATIONS Affected Configurations This vulnerability ONLY affects applications that: - Use RegExp objects not strings in the allowedAud, allowedIss, allowedSub, allowedJti, or allowedNonce options - Configure patterns susceptible to catastrophic backtracking - Example: allowedAud...