CVEvulnerability
CVE-2026-23511
5.3 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-01-15
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Weaknesses
- CWE-204
Description
ZITADEL is an open source identity management platform. Prior to 4.9.1 and 3.4.6, a user enumeration vulnerability has been discovered in Zitadel's login interfaces. An unauthenticated attacker can exploit this flaw to confirm the existence of valid user accounts by iterating through usernames and userIDs. This vulnerability is fixed in 4.9.1 and 3.4.6.
Affected configurations
• zitadel zitadel (>= 2.0.0 <= 2.71.19)
• zitadel zitadel (>= 3.0.0 < 3.4.6)
• zitadel zitadel (>= 4.0.0 < 4.9.1)
Related
Weakness · CWE (1)
- CWE-204 Observable Response Discrepancy weakness
References
- https://github.com/zitadel/zitadel/commit/b85ab69e4679b0268e2b0e9b4cd04e934af10dd2 Patch
- https://github.com/zitadel/zitadel/commit/c300d4cc6a2775ab17ddfe76492f24170f8b858d Patch
- https://github.com/zitadel/zitadel/releases/tag/v3.4.6 Release Notes
- https://github.com/zitadel/zitadel/releases/tag/v4.9.1 Release Notes
- https://github.com/zitadel/zitadel/security/advisories/GHSA-pvm5-9frx-264r Third Party Advisory