CVE-2026-56697

Nuxt security note: Nuxt versions 4.0.0–4.4.6 and 3.x before 3.21.7 are affected by an open redirect in the reloadNuxtApp function. Protocol-relative paths like //evil.com pass the script-protocol check but resolve to a cross-origin URL against the current page protocol, enabling attackers to red...

PT-2026-34209

Name of the Vulnerable Software and Affected Versions GitHub Enterprise Server versions prior to 3.21 Description An incorrect regular expression allows an attacker to bypass OAuth redirect URI validation. An attacker aware of a first-party OAuth application's registered callback URL can create a...

Signal K Server: OAuth Authorization Code Theft via Unvalidated Host Header in OIDC Flow

Summary SignalK Server contains a code-level vulnerability in its OIDC login and logout handlers where the unvalidated HTTP Host header is used to construct the OAuth2 redirecturi. Because the redirectUri configuration is silently unset by default, an attacker spoof the Host header to steal OAuth...

EUVD-2026-18849

OpenClaw before 2026.4.2 reuses the PKCE verifier as the OAuth state parameter in the Gemini OAuth flow, exposing it through the redirect URL. Attackers who capture the redirect URL can obtain both the authorization code and PKCE verifier, defeating PKCE protection and enabling token redemption...

CVE-2026-34511 OpenClaw < 2026.4.2 - PKCE Verifier Exposure via OAuth State Parameter

OpenClaw before 2026.4.2 reuses the PKCE verifier as the OAuth state parameter in the Gemini OAuth flow, exposing it through the redirect URL. Attackers who capture the redirect URL can obtain both the authorization code and PKCE verifier, defeating PKCE protection and enabling token redemption...

CVE-2026-34083

Signal K Server is a server application that runs on a central hub in a boat. Prior to version 2.24.0, SignalK Server contains a code-level vulnerability in its OIDC login and logout handlers where the unvalidated HTTP Host header is used to construct the OAuth2 redirecturi. Because the redirectU...

Signal K Server 安全漏洞

The Signal K Server is an open-source marine central server developed by Signal K. Versions of the Signal K Server prior to 2.24.0 contained security vulnerabilities. These vulnerabilities stemmed from the use of unvalidated Host headers in constructing redirect URIs, which could lead to the thef...

GHSA-RWW4-4W9C-7733 FastMCP: Missing Consent Verification in OAuth Proxy Callback Facilitates Confused Deputy Vulnerabilities

Summary While testing the GitHubProvider OAuth integration, which allows authentication to a FastMCP MCP server via a FastMCP OAuthProxy using GitHub OAuth, it was discovered that the FastMCP OAuthProxy does not properly validate the user's consent upon receiving the authorization code from GitHu...

GHSA-WQVH-63MV-9W92 @backstage/plugin-auth-backend: OAuth redirect URI allowlist bypass

Impact The experimental OIDC provider in @backstage/plugin-auth-backend is vulnerable to a redirect URI allowlist bypass. Instances that have enabled experimental Dynamic Client Registration or Client ID Metadata Documents and configured allowedRedirectUriPatterns are affected. A specially crafte...

CVE-2026-25649

Traccar (open-source GPS tracking) up to version 6.11.1 is affected by CVE-2026-25649 due to an open redirect in two OIDC endpoints. The redirect_uri is not validated against a whitelist, enabling authenticated users to steal OAuth 2.0 authorization codes by steering them to attacker‑controlled U...

CVE-2026-25649 Traccar Vulnerable to Authorization Code Theft via Open Redirect in OIDC Provider Endpoints

Versions of the Traccar open-source GPS tracking system up to and including 6.11.1 contain an issue in which authenticated users can steal OAuth 2.0 authorization codes by exploiting an open redirect vulnerability in two OIDC-related endpoints. The redirecturi parameter is not validated against a...

CVE-2026-25649 Traccar Vulnerable to Authorization Code Theft via Open Redirect in OIDC Provider Endpoints

Versions of the Traccar open-source GPS tracking system up to and including 6.11.1 contain an issue in which authenticated users can steal OAuth 2.0 authorization codes by exploiting an open redirect vulnerability in two OIDC-related endpoints. The redirecturi parameter is not validated against a...

ApiFest OAuth 2.0 Server 输入验证错误漏洞

ApiFest OAuth 2.0 Server is ApiFest open source an OAuth 2.0 protocol ApiFest OAuth 2.0 Server Java implementation . A security vulnerability exists in ApiFest OAuth 2.0 Server version 0.3.1, which stems from not validating the redirect URI according to RFC 6749, which can be exploited by an...