CVE-2026-56667: Improper Neutralization of Input During Web Page Generation

ZITADEL is an open source identity management platform. Prior to 4.15.3, ZITADEL Login V2 OIDC and SAML FailedPrecondition error paths return loginSettings.defaultRedirectUri to router.push without applying the isSafeRedirectUri check, allowing an organization or instance administrator to store a...

CVE-2026-55672: Improper Authentication

ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL's OAuth2 and OIDC CodeExchange, RefreshToken, and device token flows fail to verify that the requesting client matches the client that initiated the authorization flow, allowing intercepted grants or refre...

CVE-2026-56666: Improper Authentication

ZITADEL is an open source identity management platform. Prior to 4.15.3, ZITADEL's external identity provider handler checks that the local user's email is verified but does not verify that the external IdP confirmed ownership of the same email before auto-linking by email, allowing a permissive...

CVE-2026-55671: Server-Side Request Forgery (SSRF)

ZITADEL is an open source identity management platform. From 4.0.0-rc.1 through 4.15.1, ZITADEL's HTTP notification channels, OIDC BackChannel Logout, and SAML metadata URL fetches do not consistently validate user-defined URLs against protected denylist handling, allowing server-side requests to...

CVE-2026-55669: Origin Validation Error

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 ...

GHSA-45GG-VH54-H5M9 vulnerabilities

Vulnerabilities for packages: trivy-operator, flux-source-controller, drone, kyverno-fips, terraform, minio, mattermost, minio-fips, coder, commercial-kyverno, vitess, gitlab-kas, upwind-agent, argo-workflows, skaffold-fips, reports-server, kubescape-server-fips, k9s, argo-cd-fips, helm, flux,...

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-2026-5732 ZITADEL: Missing Token Lifecyle Validation (`exp` and `iat`) in JWT IdP Provider in github.com/zitadel/zitadel

ZITADEL: Missing Token Lifecyle Validation exp and iat in JWT IdP Provider in github.com/zitadel/zitadel...

GO-2026-5648 ZITADEL has LDAP Filter Injection in Login Flow in github.com/zitadel/zitadel

ZITADEL has LDAP Filter Injection in Login Flow in github.com/zitadel/zitadel. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from vulnerability scanners, pleas...

GO-2026-5391 ZITADEL: Missing Token Audience Validation (`aud`) in JWT IdP Provider in github.com/zitadel/zitadel

ZITADEL: Missing Token Audience Validation aud in JWT IdP Provider in github.com/zitadel/zitadel...

GO-2026-5197 ZITADEL: Cross-Tenant User Leakage via Recycled Identifiers in github.com/zitadel/zitadel

ZITADEL: Cross-Tenant User Leakage via Recycled Identifiers in github.com/zitadel/zitadel...

GO-2026-5059 ZITADEL: Server-Side Request Forgery (SSRF) and Denylist Bypass in Outgoing HTTP Components in github.com/zitadel/zitadel

ZITADEL: Server-Side Request Forgery SSRF and Denylist Bypass in Outgoing HTTP Components in github.com/zitadel/zitadel...

ZITADEL: Missing Token Audience Validation (`aud`) in JWT IdP Provider

Summary An authentication bypass vulnerability was discovered in ZITADEL's external JWT Identity Provider IdP implementation. When validating JSON Web Tokens JWTs from an external provider, ZITADEL properly checks the token's cryptographic signature and issuer iss, but it fails to validate the...

Origin Validation Error

Overview Affected versions of this package are vulnerable to Origin Validation Error in the JWT validation process. An attacker can gain unauthorized access by presenting a validly signed token from a trusted issuer, originally intended for a different service, to the authentication system. This ...

GHSA-G5H5-M4HM-XJRR ZITADEL: Missing Token Audience Validation (`aud`) in JWT IdP Provider

Summary An authentication bypass vulnerability was discovered in ZITADEL's external JWT Identity Provider IdP implementation. When validating JSON Web Tokens JWTs from an external provider, ZITADEL properly checks the token's cryptographic signature and issuer iss, but it fails to validate the...

ZITADEL: Missing Token Lifecyle Validation (`exp` and `iat`) in JWT IdP Provider

Summary A token lifecycle validation vulnerability was discovered in ZITADEL's external JWT Identity Provider IdP implementation. ZITADEL enforces a 1-hour maximum token age freshness window maxAge calculated from the token's issue time. However, this safety check is guarded by a presence...

GHSA-WXG7-W2V3-W38G ZITADEL: Missing Token Lifecyle Validation (`exp` and `iat`) in JWT IdP Provider

Summary A token lifecycle validation vulnerability was discovered in ZITADEL's external JWT Identity Provider IdP implementation. ZITADEL enforces a 1-hour maximum token age freshness window maxAge calculated from the token's issue time. However, this safety check is guarded by a presence...

Incorrect Authorization

Overview github.com/zitadel/zitadel/internal/api/oidc is a package for identity infrastructure Affected versions of this package are vulnerable to Incorrect Authorization in the CodeExchange and RefreshToken processes. An attacker can gain unauthorized access to user accounts or maintain persiste...

GHSA-XQXV-4JC2-X56X ZITADEL: Missing client_id binding in OIDC authorization code exchange and refresh token flows (RFC 6749 Section 4.1.3 violation)

Summary Zitadel's OAuth2 / OIDC CodeExchange and RefreshToken implementations omit a critical validation step to ensure that the requesting client matches the client that originally initiated the authorization flow. This violates RFC 6749 Section 4.1.3, which mandates that the authorization serve...

Authorization Bypass Through User-Controlled Key

Overview Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via the user provisioning process. An attacker can gain unauthorized access to user records across organizational boundaries by recreating a deleted user with the same identifier in a...