PT-2026-56297

Name of the Vulnerable Software and Affected Versions better-auth versions prior to 1.6.11 Description The legacy oidcProvider and mcp plugins expose an OAuth 2.0 token endpoint that fails to authenticate confidential clients during the refresh token grant. The system authenticates requests based...

Incorrect Type Conversion or Cast

Overview Affected versions of this package are vulnerable to Incorrect Type Conversion or Cast via the OIDC callback process. An attacker can gain unauthorized access to user accounts by exploiting improper type handling of the emailverified claim, allowing account takeover without prior...

CVE-2026-14781

A flaw exists in the org.keycloak.broker.oidc package where the OIDC broker incorrectly synchronizes the emailverified claim. When an OIDC identity provider is configured with trustEmail=true and the userinfo endpoint is enabled, Keycloak retrieves the email address from the userinfo response but...

CVE-2026-14781 Keycloak-services: keycloak-services: oidc email_verified claim incorrectly applied to userinfo email

A flaw exists in the org.keycloak.broker.oidc package where the OIDC broker incorrectly synchronizes the emailverified claim. When an OIDC identity provider is configured with trustEmail=true and the userinfo endpoint is enabled, Keycloak retrieves the email address from the userinfo response but...

Origin Validation Error

Overview Affected versions of this package are vulnerable to Origin Validation Error in the OIDC discovery process when the X-Forwarded-Host header is not validated and no allowed-hosts list is configured. An attacker can manipulate the issuer and JWKS URI in the discovery document by supplying a...

CVE-2026-14336

PIA's OIDC issuer allowlist for Jenkins tokens uses a bare string-prefix check issuer.startswith' https://ci.eclipse.org ' in isissuerknown, pia/models.py:139 instead of validating the issuer as a properly host-bounded URL. An attacker can craft an issuer such as https://[email protected]...

PT-2026-55297

Name of the Vulnerable Software and Affected Versions Dapr affected versions not specified Description Dapr Sentry's OIDC discovery endpoint /.well-known/openid-configuration derives the issuer and jwks uri from the request Host. When no allowed-hosts list is configured, the system honors an...

GHSA-F5MR-Q85P-6HH6 Fulcio has OIDC Discovery Redirect Following Allows SSRF and JWKS Substitution for Meta-Issuer Paths, with Kubernetes Service-Account Token Leakage

Impact Three security vulnerabilities were identified in the OIDC Discovery client: 1. Blind Server-Side Request Forgery SSRF via Cross-Host Redirects: Fulcio uses an HTTP client to fetch OIDC discovery metadata /.well-known/openid-configuration. Prior to this fix, if a configured issuer returned...

PT-2026-54443

Name of the Vulnerable Software and Affected Versions Fulcio versions prior to 1.8.6 Description The OIDC discovery client improperly follows cross-host redirects and attaches Kubernetes ServiceAccount tokens during the discovery process. This behavior allows a malicious or compromised issuer to...

GO-2026-5768 ZITADEL: Missing client_id binding in OIDC authorization code exchange and refresh token flows (RFC 6749 Section 4.1.3 violation) in github.com/zitadel/zitadel

ZITADEL: Missing clientid binding in OIDC authorization code exchange and refresh token flows RFC 6749 Section 4.1.3 violation in github.com/zitadel/zitadel...

GO-2026-5635 nebula-mesh: Session and OIDC state cookies lack the Secure attribute in github.com/juev/nebula-mesh

nebula-mesh: Session and OIDC state cookies lack the Secure attribute in github.com/juev/nebula-mesh...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication in the OIDC authenticator. An attacker can gain access to the API by presenting a JWT that a shared identity provider issued for an unrelated service, because the token's audience aud claim is not validated. This...

ZITADEL: Server-Side Request Forgery (SSRF) and Denylist Bypass in Outgoing HTTP Components

Summary A Server-Side Request Forgery SSRF vulnerability was discovered in Zitadel affecting: HTTP Notification Channels: Used as an alternative to SMTP/Twilio configurations, sending payloads to user-defined URLs via HTTP POST webhooks. OIDC BackChannel Logout: Terminates sessions across differe...

Path Equivalence

Overview Affected versions of this package are vulnerable to Path Equivalence in the pathWithoutMatrixParams of AbstractPathMatchingHttpSecurityPolicy via specially crafted HTTP requests containing encoded semicolons, slashes, or backslashes in the request path. An attacker can gain unauthorized...

SimpleHelp OIDC Authentication Bypass Remote Code Execution

This module exploits CVE-2026-48558 to forge an OpenID Connect identity token and obtain a SimpleHelp technician session. It then uses SimpleHelp's legitimate remote access WebSocket protocol to connect to an online managed machine and execute a payload through the remote terminal. An OIDC provid...

Sensitive Cookie in HTTPS Session Without "Secure" Attribute

Overview Affected versions of this package are vulnerable to Sensitive Cookie in HTTPS Session Without "Secure" Attribute due to the lack of the Secure attribute on session and OIDC state cookies in the authentication process. An attacker can recover session cookies and impersonate a user or enab...

GHSA-RQFJ-VV8R-XHQC nebula-mesh: Session and OIDC state cookies lack the Secure attribute

internal/web/session.go and internal/web/oidc.go set HttpOnly and SameSite=Lax on every cookie but never Secure. A single plaintext request to the origin operator on a LAN, mistyped URL, HTTP→HTTPS not strictly enforced, reverse proxy misconfiguration discloses the session. Affected All released...

nebula-mesh: Session and OIDC state cookies lack the Secure attribute

internal/web/session.go and internal/web/oidc.go set HttpOnly and SameSite=Lax on every cookie but never Secure. A single plaintext request to the origin operator on a LAN, mistyped URL, HTTP→HTTPS not strictly enforced, reverse proxy misconfiguration discloses the session. Affected All released...

org.keycloak/keycloak-services: keycloak: org.keycloak.protocol.oidc: Security flaw in org.keycloak/keycloak-services

A flaw was found in Keycloak. When both realm-level and client-level notBefore revocation policies are configured, Keycloak's OpenID Connect OIDC Introspection feature fails to properly honor the realm-level policy. This allows tokens that should have been revoked to remain active, potentially...

PT-2026-48541

Name of the Vulnerable Software and Affected Versions nebula-mesh versions prior to 0.3.2 Description Cookies in internal/web/session.go and internal/web/oidc.go are configured with HttpOnly and SameSite=Lax but lack the Secure attribute. This allows a session to be disclosed if a plaintext reque...