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...

China-Linked TA416 Targets European Governments with PlugX and OAuth-Based Phishing

A China-aligned threat actor has set its sights on European government and diplomatic organizations since mid-2025, following a two-year period of minimal targeting in the region. The campaign has been attributed to TA416 , a cluster of activity that overlaps with DarkPeony, RedDelta, Red Lich,...

CVE-2026-27124 FastMCP: Missing Consent Verification in OAuth Proxy Callback Facilitates Confused Deputy Vulnerabilities

FastMCP is the standard framework for building MCP applications. Prior to version 3.2.0, 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...

CVE-2026-27124 FastMCP: Missing Consent Verification in OAuth Proxy Callback Facilitates Confused Deputy Vulnerabilities

FastMCP is the standard framework for building MCP applications. Prior to version 3.2.0, 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...

CVE-2026-27124

FastMCP is the standard framework for building MCP applications. Prior to version 3.2.0, 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...

CVE-2026-27124 FastMCP: Missing Consent Verification in OAuth Proxy Callback Facilitates Confused Deputy Vulnerabilities

FastMCP is the standard framework for building MCP applications. Prior to version 3.2.0, 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...

PT-2026-30029

Name of the Vulnerable Software and Affected Versions Casdoor version 2.356.0 Description A flaw exists in the OAuth Authorization Request Handler component that allows for open redirect attacks. Manipulation of the redirect uri argument can be exploited remotely. The exploit is publicly availabl...

PraisonAI 安全漏洞

PraisonAI is a low-code multi-intelligence body collaboration framework by the individual developer Mervin Praison. PraisonAI suffers from a security vulnerability that stems from the OAuthManager.validatetoken function returning True for any token not found in its internal storage, which can be...

LTI JupyterHub Authenticator 安全漏洞

LTI JupyterHub Authenticator is an open-source LTI-based authentication service for JupyterHub. Versions of LTI JupyterHub Authenticator prior to 1.6.3 contained a security vulnerability. This vulnerability stemmed from the unlimited growth of OAuth random numbers, which could lead to...

CVE-2026-34456

Reviactyl is an open-source game server management panel built using Laravel, React, FilamentPHP, Vite, and Go. From version 26.2.0-beta.1 to before version 26.2.0-beta.5, a vulnerability in the OAuth authentication flow allowed automatic linking of social accounts based solely on matching email...

CVE-2026-34736

Open edX Platform enables the authoring and delivery of online learning at any scale. From the maple release to before the ulmo release, an unauthenticated attacker can fully bypass the email verification process by combining two issues: the OAuth2 password grant issuing tokens to inactive users...

CVE-2026-34736 Open edX Platform: Account Activation Bypass via activation_key Exposure in REST API

Open edX Platform enables the authoring and delivery of online learning at any scale. From the maple release to before the ulmo release, an unauthenticated attacker can fully bypass the email verification process by combining two issues: the OAuth2 password grant issuing tokens to inactive users...

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...

CVE-2026-34083 signalk-server: OAuth Authorization Code Theft via Unvalidated Host Header in OIDC Flow

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...

CVE-2026-34083 signalk-server: OAuth Authorization Code Theft via Unvalidated Host Header in OIDC Flow

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...

CVE-2026-34083

Signal K Server (signalk-server) prior to v2.24.0 contains a code-level vulnerability in its OIDC login/logout flow where an unvalidated HTTP Host header is used to construct the OAuth2 redirect_uri. Because redirectUri is silently unset by default, an attacker can spoof the Host header to direct...

CVE-2026-33544

Tinyauth is an authentication and authorization server. Prior to version 5.0.5, all three OAuth service implementations GenericOAuthService, GithubOAuthService, GoogleOAuthService store PKCE verifiers and access tokens as mutable struct fields on singleton instances shared across all concurrent...

CVE-2026-33544 Tinyauth has OAuth account confusion via shared mutable state on singleton service instances

Tinyauth is an authentication and authorization server. Prior to version 5.0.5, all three OAuth service implementations GenericOAuthService, GithubOAuthService, GoogleOAuthService store PKCE verifiers and access tokens as mutable struct fields on singleton instances shared across all concurrent...

CVE-2026-29782 OpenSTAManager: Remote Code Execution via Insecure Deserialization in OAuth2

OpenSTAManager is an open source management software for technical assistance and invoicing. Prior to version 2.10.2, the oauth2.php file in OpenSTAManager is an unauthenticated endpoint $skippermissions = true. It loads a record from the zzoauth2 table using the attacker-controlled GET parameter...

CVE-2026-29782

OpenSTAManager CVE-2026-29782 describes an unauthenticated deserialization vulnerability in the OAuth2 flow. The oauth2.php endpoint reads and deserializes the access_token field from zz_oauth2 without class restrictions, enabling an attacker who can modify the database (e.g., via another vulnera...