ZITADEL: Bypassing Zitadel Login Behavior and Security Policy in Login V2
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-287.
Summary
ZITADEL is an open source identity management platform. From version 4.0.0 to 4.12.0, a vulnerability in Zitadel's login V2 UI allowed users to bypass login behavior and security policies and self-register new accounts or sign in using password even if corresponding options were disabled in their organizaton. This issue has been patched in version 4.12.1.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| zitadel | zitadel | 4.0.0 to before 4.12.1 | 4.12.1 | Patch available | CNA |
| — | github.com/zitadel/zitadel/v2 (Go) | 4.0.0 to before 4.12.1 | 4.12.1 | Patch available | GHSA-25rw-g6ff-fmg8 |
| — | github.com/zitadel/zitadel (Go) | 4.0.0 to before 4.12.1 | 4.12.1 | Patch available | GHSA-25rw-g6ff-fmg8 |
- zitadel Vendorzitadel Affected 4.0.0 to before 4.12.1 Fixed in 4.12.1 Patch available CNA
- github.com/zitadel/zitadel/v2 (Go) Vendor— Affected 4.0.0 to before 4.12.1 Fixed in 4.12.1 Patch available GHSA-25rw-g6ff-fmg8
- github.com/zitadel/zitadel (Go) Vendor— Affected 4.0.0 to before 4.12.1 Fixed in 4.12.1 Patch available GHSA-25rw-g6ff-fmg8
Remediation
- Fix · CNA zitadel (zitadel) Fixed in 4.12.1
- Fix · GHSA-25rw-g6ff-fmg8 github.com/zitadel/zitadel/v2 (Go) Fixed in 4.12.1 Advisory →
- Fix · GHSA-25rw-g6ff-fmg8 github.com/zitadel/zitadel (Go) Fixed in 4.12.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-29193
- 2026-10-03 Alias added: GHSA-25rw-g6ff-fmg8
References
More Zitadel vulnerabilities
- TI-2024-26607 ZITADEL Vulnerable to Session Information Leakage CVSS 3.1MEDIUM 6.5
- TI-2025-41253 ZITADEL Vulnerable to Unauthenticated Full-Read SSRF via V2 Login CVSS 3.1CRITICAL 9.3
- TI-2025-39554 Zitadel Bypass Second Authentication Factor CVSS 4.0HIGH 8.7
- TI-2024-33224 Zitadel User Registration Bypass Vulnerability CVSS 3.1HIGH 7.5
- TI-2024-31388 Service Users Deactivation not Working in Zitadel CVSS 3.1HIGH 8.1
- TI-2026-23308 ZITADEL: 1-Click Account Takeover via XSS in /saml-post Endpoint CVSS 3.1CRITICAL 9.3
Sources
- CVE-2026-29193 · CVE Program
- CVE-2026-29193 · NVD
- FIRST EPSS
- GHSA-25rw-g6ff-fmg8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences