EUVD-2026-55617

A flaw was found in StackRox/RHACS Central's Auth Machine-to-Machine M2M token exchange. When an administrator configures M2M role mappings, the system uses unanchored regular expressions for matching claim values. This allows an attacker with a valid OpenID Connect OIDC token, whose claim value ...

CVE-2026-65583 Apache CXF: Self-issued ID token claims validation skipped

Apache CXF’s OIDC relying-party token validation could accept self-issued ID tokens without enforcing required claim checks issuer/subject/audience/time and subjwk binding, enabling authentication bypass with crafted tokens. However, note that self-issued ID tokens are not accepted by default in...

CVE-2026-67336

better-auth versions before 1.6.11 contain insecure cryptographic defaults in the oidcProvider and mcp plugins that advertise the none algorithm and accept plain PKCE by default. Attackers can exploit algorithm negotiation to accept unsigned tokens or intercept authorization codes when PKCE plain...

SUSE CVE-2026-55076

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, Coder's OIDC callback checked emailverified with a direct Go bool type assertion. When an IdP returned the claim as a non-boolean for example the string...

CVE-2026-54603

OAuth2 is a Ruby wrapper for the OAuth 2.0 and 2.1 authorization frameworks, including OpenID Connect OIDC. From 0.4.0 to 2.0.21, a protocol-relative redirect Location returned to OAuth2::Clientrequest overrides the request authority, so the bearer Authorization header is sent to an...

EUVD-2026-29482

Pocket ID: OIDC refresh token flow bypasses authorization revocation, account disabling, and group restrictions...

GHSA-FCRW-F7GG-6G9F Budibase: SSO OAuth2 Token Leakage via User Metadata Endpoints to Power-Role Users

Summary The /api/users/metadata and /api/users/metadata/:id endpoints in @budibase/server return full global user profiles to any user with POWER role or above. For SSO-authenticated users OIDC, Google, the response includes oauth2.accessToken and oauth2.refreshToken fields, leaking identity...

CVE-2026-54342

In epa4all, prior to version 2026-05-20, an attacker on the network path between epa4all and any backend ePA Aktensystem, Konnektor, IDP, TSS can present a self-signed TLS certificate and intercept the connection. For non-VAU connections Konnektor, IDP, this allows direct read and modification of...

CVE-2026-14881 Compass connection import allows to override OIDC browser open command (usually set through settings), allowing for arbitrary shell commands execution when connecting to cluster using OIDC auth flow

When importing connections in Compass it is possible to override some connection options that are otherwise can't be changed via connection form. In particular it is possible to provide a custom browser open command for OIDC auth flow that is usually can be set only globally via Compass settings...

PT-2026-63495

Name of the Vulnerable Software and Affected Versions OIDC::Lite versions through 0.12.1 Description An issue exists where ID Token signature verification can be bypassed due to a token-controlled algorithm allowlist in the verify function. When a caller does not specify a pinned algorithm, the...

PT-2026-63279

Name of the Vulnerable Software and Affected Versions Gitea affected versions not specified Description The OIDC userinfo endpoint GET /login/oauth/userinfo accepts Gitea API tokens as bearer credentials but fails to enforce API token scopes before returning identity claims. This allows a token...

Uncontrolled Resource Consumption

github.com/forgekeep/nebula-mesh is vulnerable to Uncontrolled Resource Consumption. The vulnerability is due to the unauthenticated /ui/oidc/login endpoint creating and storing a new OIDC state for every request without rate limiting or a maximum state limit, which allows an attacker to repeated...

CVE-2026-15943

A flaw was found in the Keycloak keycloak-services component, which handles the management of identity providers. The issue occurs when a delegated administrator updates an OIDC identity provider using a masked client secret sentinel value. Due to improper validation, Keycloak reuses the existing...

CVE-2026-15943 Keycloak-services: keycloak-services: oidc idp update reuses masked client secret after token url change

A flaw was found in the Keycloak keycloak-services component, which handles the management of identity providers. The issue occurs when a delegated administrator updates an OIDC identity provider using a masked client secret sentinel value. Due to improper validation, Keycloak reuses the existing...

PT-2026-60776

Name of the Vulnerable Software and Affected Versions SigNoz versions prior to 0.133.1 Description An open redirect flaw exists in the SSO authentication flow for instances configured with Google OAuth, SAML, or OIDC. Unauthenticated attackers can exploit this by calling the sessions context...

USN-8557-1: Authlib vulnerabilities

Jay Neiva and Mauro Carrillo discovered that Authlib did not properly validate cryptographic keys embedded in JWT headers. An attacker could possibly use this issue to forge trusted tokens, resulting in authentication and authorization bypass. CVE-2026-27962 Jay Neiva and Mauro Carrillo discovere...

CVE-2026-53518 Better Auth OAuth Provider: Race Condition in Authorization Code Exchange Enables Multi-Use Code Redemption

Better Auth is an authentication and authorization library for TypeScript. From 1.6.0 until 1.6.11, the @better-auth/oauth-provider POST /oauth2/token endpoint for the authorizationcode grant redeems a single-use authorization code through a non-atomic find-then-delete sequence, allowing two...

Server-Side Request Forgery (SSRF)

@better-auth/sso is vulnerable to Server-Side Request Forgery SSRF. The vulnerability is due to insufficient validation of attacker-controlled oidcConfig.userInfoEndpoint, tokenEndpoint, and jwksEndpoint URLs when skipDiscovery: true is enabled, which allows an authenticated attacker to persist...

CVE-2026-55689

OpenFGA is an authorization/permission engine built for developers. Prior to 1.18.0, OpenFGA's OIDC authenticator skipped JWT audience validation when authn.method was set to oidc, authn.oidc.issuer was configured, and authn.oidc.audience was not set, allowing a token minted for an unrelated...

CVE-2026-55076 Coder's OIDC email_verified type coercion bypass enables account takeover via unverified email linking

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, Coder's OIDC callback checked emailverified with a direct Go bool type assertion. When an IdP returned the claim as a non-boolean for example the string...