CVE-2026-14541 Authentication Bypass and Audience Confusion in MCP Toolbox OAuth Provider

An authentication bypass and audience confusion vulnerability exists in the Google OAuth provider component of Google mcp-toolbox version 1.4.0. When a Google authService is initialized with mcpEnabled: true but lacks an explicitly defined audience or clientId, the ValidateMCPAuth pipeline for...

CVE-2026-14541

An authentication bypass and audience confusion vulnerability exists in the Google OAuth provider component of Google mcp-toolbox version 1.4.0. When a Google authService is initialized with mcpEnabled: true but lacks an explicitly defined audience or clientId, the ValidateMCPAuth pipeline for...

CVE-2026-14541 Authentication Bypass and Audience Confusion in MCP Toolbox OAuth Provider

An authentication bypass and audience confusion vulnerability exists in the Google OAuth provider component of Google mcp-toolbox version 1.4.0. When a Google authService is initialized with mcpEnabled: true but lacks an explicitly defined audience or clientId, the ValidateMCPAuth pipeline for...

CVE-2026-14541

The CVE concerns Google mcp-toolbox version 1.4.0 in its Google OAuth provider component. If an authService is initialized with mcpEnabled: true but without an explicit audience or clientId, the ValidateMCPAuth pipeline for opaque tokens omits audience validation. This causes the toolbox to accep...

PT-2026-66724

A flaw was found in the OIDC token introspection endpoint of the keycloak-services component. Keycloak is an open-source identity and access management solution used to secure modern applications and services. The issue occurs when a confidential client, configured to receive signed JWT...

SUSE CVE-2026-55669

ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL's external JWT Identity Provider validates a token's signature and issuer iss but not the audience aud claim, allowing a validly signed token from a trusted issuer for another relying party to be accepted ...

SUSE 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-2026-15615

Logto omits validation of the SAML element, enabling attackers to strip time and audience restrictions and replay assertions indefinitely...

CVE-2026-15615 SAML <Conditions> element not validated

Logto omits validation of the SAML element, enabling attackers to strip time and audience restrictions and replay assertions indefinitely...

CVE-2026-15615

Technical details about CVE-2026-15615 are not publicly available in the provided connected documents. Monitor for updates.

CVE-2026-15615 SAML <Conditions> element not validated

Logto omits validation of the SAML element, enabling attackers to strip time and audience restrictions and replay assertions indefinitely...

EUVD-2026-48302

Logto omits validation of the SAML element, enabling attackers to strip time and audience restrictions and replay assertions indefinitely...

CVE-2026-15827

The GutenKit Blocks plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the /wp-json/gutenkit/v1/mailchimp/get/lists and /wp-json/gutenkit/v1/mailchimp/get/interests REST API endpoints in versions up to, and including, 2.4.12. Both endpoints are...

CVE-2026-15827 GutenKit <= 2.4.12 - Missing Authorization to Unauthenticated Sensitive Information Exposure via Mailchimp REST Endpoints

The GutenKit Blocks plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the /wp-json/gutenkit/v1/mailchimp/get/lists and /wp-json/gutenkit/v1/mailchimp/get/interests REST API endpoints in versions up to, and including, 2.4.12. Both endpoints are...

PT-2026-64019

Name of the Vulnerable Software and Affected Versions Logto affected versions not specified Description Logto fails to validate the SAML element. This allows attackers to remove time and audience restrictions, which enables the indefinite replay of assertions. SAML Security Assertion Markup...

Gitea: OAuth token introspection returns metadata of tokens issued to other clients (RFC 7662 section 4 violation)

Live reproduction against Gitea 1.26.1 Setup: Gitea 1.26.1 docker stack with two users admin and victim and two OAuth applications owned by different users: Client A: id=5dda747d-7fdd-4694-85ff-ce4f893ce51e owner=admin Client B: id=588f778f-4a41-4914-ae01-85d776c369db owner=victim admin runs an...

GHSA-VXV2-8J6R-PCPG Gitea: OAuth token introspection returns metadata of tokens issued to other clients (RFC 7662 section 4 violation)

Live reproduction against Gitea 1.26.1 Setup: Gitea 1.26.1 docker stack with two users admin and victim and two OAuth applications owned by different users: Client A: id=5dda747d-7fdd-4694-85ff-ce4f893ce51e owner=admin Client B: id=588f778f-4a41-4914-ae01-85d776c369db owner=victim admin runs an...

PT-2026-63294

Name of the Vulnerable Software and Affected Versions Gitea versions prior to 1.26.2 Description An issue exists where the OAuth token introspection endpoint allows any authenticated OAuth client to retrieve metadata for tokens issued to other clients, violating RFC 7662 section 4. The server fai...

CVE-2026-49998

Centrifugo is an open-source scalable real-time messaging server. Prior to 6.8.1, Centrifugo dynamic JWKS endpoint verification could reuse a key for one allowed issuer to verify a JWT for another allowed issuer because the JWKS cache and singleflight lookup were keyed only by JWT header kid, not...

CVE-2026-53536

Activepieces is an open source AI workflow automation platform. Prior to 0.83.0, the /v1/step-files/signed download endpoint verified the supplied JWT against the shared signing secret but did not check the token's audience, and combined with a missing null-check on the decoded fileId, this allow...