EUVD-2026-75170

Open WebUI: Unauthenticated requests can stall the server via uncached OIDC fetches in back-channel logout...

CVE-2026-87011

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 until 0.11.1, the unauthenticated POST /oauth/backchannel-logout handler in backend/openwebui/utils/oauth.py fetched the OIDC discovery document and signing keys before validating a submitted logout...

CVE-2026-87011 Open WebUI: Unauthenticated requests can stall the server via uncached OIDC fetches in back-channel logout

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 until 0.11.1, the unauthenticated POST /oauth/backchannel-logout handler in backend/openwebui/utils/oauth.py fetched the OIDC discovery document and signing keys before validating a submitted logout...

PT-2026-89158

Name of the Vulnerable Software and Affected Versions Open WebUI versions 0.9.0 through 0.11.0 Description An asymmetric resource consumption issue exists in the OIDC back-channel logout handler. When the ENABLE OAUTH BACKCHANNEL LOGOUT setting is enabled and an OIDC provider is configured, the...

CVE-2026-56677

9Router is an AI router & token saver. In 0.5.4 and earlier, the POST /api/auth/oidc/test endpoint in src/app/api/auth/oidc/test/route.js passes the user-controlled issuerUrl parameter to fetchOidcDiscovery in src/lib/auth/oidc.js without restricting private or loopback destinations, allowing...

CVE-2026-56677

9Router 0.5.4 and earlier is vulnerable to unauthenticated SSRF: the POST /api/auth/oidc/test endpoint passes a user-supplied issuerUrl to fetchOidcDiscovery() without blocking private/loopback IPs, allowing internal service scanning and reflection of OIDC discovery fields (token_endpoint, jwks_u...

CVE-2026-56677 9Router: Authenticated Server-Side Request Forgery (SSRF) via OIDC Provider Test Endpoint

9Router is an AI router & token saver. In 0.5.4 and earlier, the POST /api/auth/oidc/test endpoint in src/app/api/auth/oidc/test/route.js passes the user-controlled issuerUrl parameter to fetchOidcDiscovery in src/lib/auth/oidc.js without restricting private or loopback destinations, allowing...

EUVD-2026-60471

9Router is an AI router & token saver. In 0.5.4 and earlier, the POST /api/auth/oidc/test endpoint in src/app/api/auth/oidc/test/route.js passes the user-controlled issuerUrl parameter to fetchOidcDiscovery in src/lib/auth/oidc.js without restricting private or loopback destinations, allowing...

CVE-2026-56677: Missing Authentication for Critical Function

9Router is an AI router & token saver. In 0.5.4 and earlier, the POST /api/auth/oidc/test endpoint in src/app/api/auth/oidc/test/route.js passes the user-controlled issuerUrl parameter to fetchOidcDiscovery in src/lib/auth/oidc.js without restricting private or loopback destinations, allowing...

PT-2026-76819

Name of the Vulnerable Software and Affected Versions 9Router versions 0.5.4 and earlier Description A Server-Side Request Forgery SSRF exists in the dashboard via the POST '/api/auth/oidc/test' endpoint. The application accepts a user-controlled issuerUrl parameter and passes it to the...

CVE-2026-49478

Fulcio is a certificate authority for issuing code signing certificates for an OpenID Connect OIDC identity. Versions through 1.8.5 improperly follow cross-host redirects and attach Kubernetes ServiceAccount tokens during OIDC discovery, allowing a malicious or compromised issuer to perform blind...

CVE-2026-49478

Fulcio is a certificate authority for issuing code signing certificates for an OpenID Connect OIDC identity. Versions through 1.8.5 improperly follow cross-host redirects and attach Kubernetes ServiceAccount tokens during OIDC discovery, allowing a malicious or compromised issuer to perform blind...

CVE-2026-49478 Fulcio has OIDC Discovery Redirect Following Allows SSRF and JWKS Substitution for Meta-Issuer Paths, with Kubernetes Service-Account Token Leakage

Fulcio is a certificate authority for issuing code signing certificates for an OpenID Connect OIDC identity. Versions through 1.8.5 improperly follow cross-host redirects and attach Kubernetes ServiceAccount tokens during OIDC discovery, allowing a malicious or compromised issuer to perform blind...

CVE-2026-49478

Fulcio is a certificate authority for issuing code signing certificates for an OpenID Connect OIDC identity. Versions through 1.8.5 improperly follow cross-host redirects and attach Kubernetes ServiceAccount tokens during OIDC discovery, allowing a malicious or compromised issuer to perform blind...

EUVD-2026-57859

Fulcio is a certificate authority for issuing code signing certificates for an OpenID Connect OIDC identity. Versions through 1.8.5 improperly follow cross-host redirects and attach Kubernetes ServiceAccount tokens during OIDC discovery, allowing a malicious or compromised issuer to perform blind...

CVE-2026-49478 Fulcio has OIDC Discovery Redirect Following Allows SSRF and JWKS Substitution for Meta-Issuer Paths, with Kubernetes Service-Account Token Leakage

Fulcio is a certificate authority for issuing code signing certificates for an OpenID Connect OIDC identity. Versions through 1.8.5 improperly follow cross-host redirects and attach Kubernetes ServiceAccount tokens during OIDC discovery, allowing a malicious or compromised issuer to perform blind...

CVE-2026-49478

Fulcio (certificate authority for OpenID Connect) reports a vulnerability in OIDC discovery across versions up to 1.8.5 where cross-host redirects attach Kubernetes ServiceAccount tokens, enabling blind SSRF, JWKS key substitution/poisoning, and potential leakage of tokens to external hosts. The ...

CVE-2026-49478 Fulcio has OIDC Discovery Redirect Following Allows SSRF and JWKS Substitution for Meta-Issuer Paths, with Kubernetes Service-Account Token Leakage

Fulcio is a certificate authority for issuing code signing certificates for an OpenID Connect OIDC identity. Versions through 1.8.5 improperly follow cross-host redirects and attach Kubernetes ServiceAccount tokens during OIDC discovery, allowing a malicious or compromised issuer to perform blind...

CVE-2026-49478: Server-Side Request Forgery (SSRF)

Fulcio is a certificate authority for issuing code signing certificates for an OpenID Connect OIDC identity. Versions through 1.8.5 improperly follow cross-host redirects and attach Kubernetes ServiceAccount tokens during OIDC discovery, allowing a malicious or compromised issuer to perform blind...

CVE-2026-19503

MongoDB Schema Manager and MongoDB Atlas SQL ODBC Driver do not validate the scheme of the authorization and token endpoints returned by an OIDC issuer's discovery document. A user induced to connect to an uncontrolled MongoDB deployment using MONGODB-OIDC authentication may have an uncontrolled...