Zitadel Discloses the Total Number of Instance Users

Summary Zitadel's User Service discloses the total number of instance users to unauthorized users. Impact The ZITADEL User Service exposes the total number of users within an instance to any authenticated user, regardless of their specific permissions. While this does not leak individual user dat...

Exploit for CVE-2025-67494

ZITADEL SSRF Exploit - CVE-2025-67494 Automated exploit for C...

PT-2025-50564

Name of the Vulnerable Software and Affected Versions ZITADEL versions 2.44.0 through 3.4.4 ZITADEL versions 4.0.0-rc.1 through 4.7.1 Description ZITADEL, an open-source identity infrastructure tool, reveals the total number of instance users to authenticated users, irrespective of their...

CVE-2025-67495

ZITADEL is an open-source identity infrastructure tool. Versions 4.0.0-rc.1 through 4.7.0 are vulnerable to DOM-Based XSS through the Zitadel V2 logout endpoint. The /logout endpoint insecurely routes to a value that is supplied in the postlogoutredirect GET parameter. As a result, unauthenticate...

CVE-2025-67495 ZITADEL Vulnerable to Account Takeover via DOM-Based XSS in Zitadel V2 Login

ZITADEL is an open-source identity infrastructure tool. Versions 4.0.0-rc.1 through 4.7.0 are vulnerable to DOM-Based XSS through the Zitadel V2 logout endpoint. The /logout endpoint insecurely routes to a value that is supplied in the postlogoutredirect GET parameter. As a result, unauthenticate...

CVE-2025-67495

ZITADEL’s DOM-Based XSS in Zitadel V2 logout (CVE-2025-67495) affects 4.0.0-rc.1 through 4.7.0 via the /logout endpoint, where the post_logout_redirect parameter could be used to route malicious JavaScript to a user’s browser. The issue requires multiple active sessions in the same browser and is...

CVE-2025-67495 ZITADEL Vulnerable to Account Takeover via DOM-Based XSS in Zitadel V2 Login

ZITADEL is an open-source identity infrastructure tool. Versions 4.0.0-rc.1 through 4.7.0 are vulnerable to DOM-Based XSS through the Zitadel V2 logout endpoint. The /logout endpoint insecurely routes to a value that is supplied in the postlogoutredirect GET parameter. As a result, unauthenticate...

CVE-2025-67495 ZITADEL Vulnerable to Account Takeover via DOM-Based XSS in Zitadel V2 Login

ZITADEL is an open-source identity infrastructure tool. Versions 4.0.0-rc.1 through 4.7.0 are vulnerable to DOM-Based XSS through the Zitadel V2 logout endpoint. The /logout endpoint insecurely routes to a value that is supplied in the postlogoutredirect GET parameter. As a result, unauthenticate...

CVE-2025-67494

ZITADEL is an open-source identity infrastructure tool. Versions 4.7.0 and below are vulnerable to an unauthenticated, full-read SSRF vulnerability. The ZITADEL Login UI V2 treats the x-zitadel-forward-host header as a trusted fallback for all deployments, including self-hosted instances. This...

CVE-2025-67494 ZITADEL Vulnerable to Unauthenticated Full-Read SSRF via V2 Login

ZITADEL is an open-source identity infrastructure tool. Versions 4.7.0 and below are vulnerable to an unauthenticated, full-read SSRF vulnerability. The ZITADEL Login UI V2 treats the x-zitadel-forward-host header as a trusted fallback for all deployments, including self-hosted instances. This...

CVE-2025-67494 ZITADEL Vulnerable to Unauthenticated Full-Read SSRF via V2 Login

ZITADEL is an open-source identity infrastructure tool. Versions 4.7.0 and below are vulnerable to an unauthenticated, full-read SSRF vulnerability. The ZITADEL Login UI V2 treats the x-zitadel-forward-host header as a trusted fallback for all deployments, including self-hosted instances. This...

CVE-2025-67494

ZITADEL (open‑source identity infrastructure) versions 4.7.0 and earlier are vulnerable to an unauthenticated full-read SSRF via the V2 Login UI. The vulnerability arises because the x-zitadel-forward-host header is treated as a trusted fallback for all deployments, enabling an attacker to force ...

EUVD-2025-201822

ZITADEL is an open-source identity infrastructure tool. Versions 4.7.0 and below are vulnerable to an unauthenticated, full-read SSRF vulnerability. The ZITADEL Login UI V2 treats the x-zitadel-forward-host header as a trusted fallback for all deployments, including self-hosted instances. This...

PT-2025-50278

Name of the Vulnerable Software and Affected Versions ZITADEL versions 4.0.0-rc.1 through 4.7.0 Description ZITADEL, an open-source identity infrastructure tool, is susceptible to a DOM-Based Cross-Site Scripting XSS issue through the Zitadel V2 logout endpoint. The /logout API endpoint insecurel...

ZITADEL 跨站脚本漏洞

ZITADEL is a modern open source alternative to Auth0, Firebase Auth, AWS Cognito, and Keycloak built for the container and serverless era, open sourced by ZITADEL in Switzerland. A cross-site scripting vulnerability exists in ZITADEL versions 4.0.0-rc.1 through 4.7.0, which stems from improper...

ZITADEL 代码问题漏洞

ZITADEL is a modern open source alternative to Auth0, Firebase Auth, AWS Cognito, and Keycloak built for the container and serverless era, open sourced by ZITADEL Switzerland. A code issue vulnerability exists in ZITADEL versions 4.7.0 and earlier, which stems from improper handling of the...

ZITADEL Vulnerable to Account Takeover via DOM-Based XSS in Zitadel V2 Login

Summary A potential vulnerability exists in ZITADEL's logout endpoint in login V2. This endpoint accepts serval parameters including a postlogoutredirect. When this parameter is specified, users will be redirected to the site that is provided via this parameter. ZITADEL's login UI did not ensure...

GHSA-V959-QXV6-6F8P ZITADEL Vulnerable to Account Takeover via DOM-Based XSS in Zitadel V2 Login

Summary A potential vulnerability exists in ZITADEL's logout endpoint in login V2. This endpoint accepts serval parameters including a postlogoutredirect. When this parameter is specified, users will be redirected to the site that is provided via this parameter. ZITADEL's login UI did not ensure...

EUVD-2025-201820

ZITADEL Vulnerable to Account Takeover via DOM-Based XSS in Zitadel V2 Login...

ZITADEL Vulnerable to Account Takeover Due to Improper Instance Validation in V2 Login

Summary A potential vulnerability exists in ZITADEL's password reset mechanism in login V2. ZITADEL utilizes the Forwarded or X-Forwarded-Host header from incoming requests to construct the URL for the password reset confirmation link. This link, containing a secret code, is then emailed to the...