GHSA-WXW3-Q3M9-C3JR Better Auth: OAuth callback accepts mismatched `state` when cookie-backed state storage is used without PKCE

Am I affected? Users are affected if all of the following are true: - The application uses better-auth at a version below 1.6.2 or @better-auth/sso paired with such a version. - betterAuth account: storeStateStrategy is set to "cookie". The default "database" is not affected. - The application...

GHSA-C73C-X77G-854R OpenClaude MCP OAuth Callback: State Check Bypass via error Param Leads to DoS

OAuth State Validation Bypass via error Parameter Causes Local Server DoS in MCP Auth Callback --- Description The OpenClaude MCP authentication flow starts a temporary local HTTP server to handle OAuth callbacks. To prevent CSRF attacks, the server validates a state parameter against an internal...

CVE-2026-43983

Pocket ID is an OIDC provider that allows users to authenticate with their passkeys to your services. Prior to 2.6.0, The createTokenFromRefreshToken function oidcservice.go validates the refresh token's cryptographic integrity but does not re-validate the user's current authorization state befor...

PT-2026-40035

Name of the Vulnerable Software and Affected Versions Pocket ID versions prior to 2.6.0 Description The createTokenFromRefreshToken function in oidc service.go validates the cryptographic integrity of refresh tokens but fails to re-verify the user's current authorization state before issuing new...

CVE-2026-44695

Outline is a service that allows for collaborative documentation. Prior to 1.7.1, the Slack integration callback for GET /auth/slack.post accepts an unsigned, session-independent OAuth state value. A third party who can obtain a Slack OAuth code for the same Outline Slack client can make a...

EUVD-2026-29343

Outline is a service that allows for collaborative documentation. Prior to 1.7.1, the Slack integration callback for GET /auth/slack.post accepts an unsigned, session-independent OAuth state value. A third party who can obtain a Slack OAuth code for the same Outline Slack client can make a...

Open Redirect

Overview @workos/authkit-session is a Framework-agnostic authentication library for WorkOS with pluggable storage adapters Affected versions of this package are vulnerable to Open Redirect via the handleCallback function when processing the returnPathname value derived from the OAuth state...

CVE-2026-40948

The Keycloak authentication manager in apache-airflow-providers-keycloak did not generate or validate the OAuth 2.0 state parameter on the login / login-callback flow, and did not use PKCE. An attacker with a Keycloak account in the same realm could deliver a crafted callback URL to a victim's...

apache-airflow-providers-keycloak: Missing OAuth 2.0 State and PKCE Enables Login CSRF and Session Fixation

The Keycloak authentication manager in apache-airflow-providers-keycloak did not generate or validate the OAuth 2.0 state parameter on the login / login-callback flow, and did not use PKCE. An attacker with a Keycloak account in the same realm could deliver a crafted callback URL to a victim's...

CVE-2026-40948 Apache Airflow Providers Keycloak: OAuth Login CSRF — Missing State Parameter in Keycloak Auth Manager

The Keycloak authentication manager in apache-airflow-providers-keycloak did not generate or validate the OAuth 2.0 state parameter on the login / login-callback flow, and did not use PKCE. An attacker with a Keycloak account in the same realm could deliver a crafted callback URL to a victim's...

PT-2026-33603

The Keycloak authentication manager in apache-airflow-providers-keycloak did not generate or validate the OAuth 2.0 state parameter on the login / login-callback flow, and did not use PKCE. An attacker with a Keycloak account in the same realm could deliver a crafted callback URL to a victim's...

CVE-2026-34511

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...

PT-2026-30235

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-2026-31381

CVE-2026-31381 and related entries describe a Gainsight Assist plugin information-disclosure vulnerability. The core issue is that user email addresses (PII) are exposed in base64-encoded form via the OAuth callback URL’s state parameter. This can allow an attacker to recover emails if the OAuth ...

Insertion of Sensitive Information Into Sent Data

Overview openclaw is a 🦞 OpenClaw — Personal AI Assistant Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data via the OAuth onboarding process in the macOS beta application, where the PKCE codeverifier was exposed as the OAuth state in the URL. An...

CVE-2026-25221 PolarLearn has Multiple Login CSRFs via Missing OAuth state Parameter (GitHub & Google)

PolarLearn is a free and open-source learning program. In 0-PRERELEASE-15 and earlier, the OAuth 2.0 implementation for GitHub and Google login providers is vulnerable to Login Cross-Site Request Forgery CSRF. The application fails to implement and verify the state parameter during the...

CVE-2025-14546

CVE-2025-14546 affects fastapi-sso

CVE-2025-14546

Versions of the package fastapi-sso before 0.19.0 are vulnerable to Cross-site Request Forgery CSRF due to the improper validation of the OAuth state parameter during the authentication callback. While the getloginurl method allows for state generation, it does not persist the state or bind it to...

Improper Access Control

github.com/mattermost/mattermost-server is vulnerable to improper access control. The vulnerability is due to Mattermost failing to verify whether a user has permission to join a team when using the original invite token, which allows an attacker to manipulate the OAuth state and join any team on...

EUVD-2025-198984

Cross-Site Request Forgery CSRF vulnerability in the OAuth implementation of the Tuya SDK 6.5.0 for Android and iOS, affects the Tuya Smart and Smartlife mobile applications, as well as other third-party applications that integrate the SDK, allows an attacker to link their own Amazon Alexa accoun...