EUVD-2026-51836

@better-auth/oauth-provider before 1.7.0-beta.4 fails to bind access-token audience to the authorization grant, allowing clients to request tokens for unrelated resources. Attackers can complete an OAuth flow and obtain access tokens whose audience targets resource servers the authorization never...

CVE-2026-53517 Better Auth OAuth Provider: Refresh Token Rotation Race Condition Allows Concurrent Replay and Token Family Forking

Better Auth is an authentication and authorization library for TypeScript. From 1.4.8-beta.7 until 1.6.11, the @better-auth/oauth-provider POST /oauth2/token endpoint on the refreshtoken grant performs a non-atomic read, validate, revoke, and mint sequence on the oauthRefreshToken row, allowing...

CVE-2026-53518

CVE-2026-53518 affects the Better Auth ecosystem, specifically the @better-auth/oauth-provider token endpoint for the authorization_code grant (and legacy paths via oidc-provider/mcp plugins). A race condition arises from a non-atomic find-then-delete when redeeming a single-use authorization cod...

GHSA-P2FR-6HMX-4528 @better-auth/oauth-provider may provide access tokens for unauthorized audiences via unbound resource indicators

Am I affected? Users are affected if all of the following hold: - Their application depends on @better-auth/oauth-provider on any stable 1.6.x release the stable line is not patched or on a pre-release before 1.7.0-beta.4. - Their application either configures validAudiences with more than one...

GO-2026-5901 Dragonfly Manager OAuth provider client_secret disclosure via unauthenticated GET /api/v1/oauth in d7y.io/dragonfly

Dragonfly Manager OAuth provider clientsecret disclosure via unauthenticated GET /api/v1/oauth in d7y.io/dragonfly...

PT-2026-56301

Name of the Vulnerable Software and Affected Versions @better-auth/oauth-provider versions 1.6.0 through 1.6.10 better-auth versions 1.4.8-beta.7 through 1.5.x Description The @better-auth/oauth-provider POST /oauth2/token endpoint is susceptible to a race condition during the refresh token grant...

CVE-2026-12746

Dancer2::Plugin::Auth::OAuth::Provider versions before 0.23 for Perl do not support the OAuth 2.0 state parameter. The authenticationurl method builds the provider authorization redirect without issuing a state value, and the callback method exchanges the callback code and registers the resulting...

CVE-2026-56823

AutoGPT is a workflow automation platform for creating, deploying, and managing continuous artificial intelligence agents. Prior to , the POST /api/integrations/webhooks/webhookid/ping endpoint fetches the target webhook by primary key alone without verifying that the webhook belongs to the...

CVE-2026-45831

The SimpleRBACAuthorizationProvider authorization provider in versions 0.5.0 or later of the ChromaDB Python project evaluates whether a user holds a given permission but never checks which tenant, database, or collection that permission applies to allowing users to perform cross tenant actions...

CVE-2026-42560 auth: Patreon provider assigns the same local user ID to every authenticated Patreon account, enabling cross‑user impersonation

auth provides authentication via oauth2, direct and email. From versions 1.18.0 to before 1.25.2 and 2.0.0 to before 2.1.2, the Patreon OAuth provider maps every authenticated Patreon account to the same local user.ID, instead of deriving a unique ID from the Patreon account returned by Patreon. ...

EUVD-2026-28904

auth provides authentication via oauth2, direct and email. From versions 1.18.0 to before 1.25.2 and 2.0.0 to before 2.1.2, the Patreon OAuth provider maps every authenticated Patreon account to the same local user.ID, instead of deriving a unique ID from the Patreon account returned by Patreon. ...

GHSA-F6QQ-3M3H-4G42 auth: Patreon provider assigns the same local user ID to every authenticated Patreon account, enabling cross‑user impersonation

Summary The Patreon OAuth provider maps every authenticated Patreon account to the same local user.ID, instead of deriving a unique ID from the Patreon account returned by Patreon. In practice, this means all Patreon-authenticated users of an application using this library are collapsed into a...

CVE-2026-41427 Better Auth OAuth 2.1 Provider: Unprivileged users can register OAuth clients

Better Auth is an authentication and authorization library for TypeScript. Prior to 1.6.5, the clientPrivileges option documents a create action, but the OAuth client creation endpoints did not invoke the hook before persisting new clients. Deployments that configured clientPrivileges to restrict...

GHSA-XR8F-H2GW-9XH6 OAuth 2.1 Provider: Unprivileged users can register OAuth clients

Am I affected? You're affected if all of the following are true: - Using @better-auth/oauth-provider at version specified below - You configured clientPrivileges in the plugin options expecting it to gate who can create OAuth clients - The /oauth2/create-client or /admin/oauth2/create-client...

GHSA-G2QJ-PRGH-4G9R Nhost Leaks Refresh Tokens via URL Query Parameter in OAuth Provider Callback

Refresh Token Leaked via URL Query Parameter in OAuth Provider Callback Summary The auth service's OAuth provider callback flow places the refresh token directly into the redirect URL as a query parameter. Refresh tokens in URLs are logged in browser history, server access logs, HTTP Referer...

PT-2026-29832

Name of the Vulnerable Software and Affected Versions: Nhost versions prior to 0.48.0 Description: Nhost's auth service OAuth provider callback flow includes the refresh token directly in the redirect URL as a query parameter. This can lead to exposure of the refresh token in browser history,...

EUVD-2026-11212

An edgecase in SSO implementation in Neo4j Enterprise edition versions prior to version 2026.02 can lead to unauthorised access under the following conditions: If a neo4j admin configures two or more OIDC providers AND configures one or more of them to be an authorization provider AND configures...

CVE-2026-1524

An edgecase in SSO implementation in Neo4j Enterprise edition versions prior to version 2026.02 can lead to unauthorised access under the following conditions: If a neo4j admin configures two or more OIDC providers AND configures one or more of them to be an authorization provider AND configures...

CVE-2026-28215 hoppscotch Vulnerable to Unauthenticated Onboarding Config Takeover

hoppscotch is an open source API development ecosystem. Prior to version 2026.2.0, an unauthenticated attacker can overwrite the entire infrastructure configuration of a self-hosted Hoppscotch instance including OAuth provider credentials and SMTP settings by sending a single HTTP POST request wi...

PT-2026-22210

Name of the Vulnerable Software and Affected Versions Hoppscotch versions prior to 2026.2.0 Description Hoppscotch, an API development ecosystem, had a critical security issue where an unauthenticated attacker could overwrite the entire infrastructure configuration of a self-hosted instance. This...