CVE-2026-23511
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| zitadel | zitadel | >= 4.0.0, < 4.9.1 | affected |
| zitadel | zitadel | < 3.4.6 | affected |
Weaknesses
- CWE-204: CWE-204: Observable Response Discrepancy
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
- https://github.com/zitadel/zitadel/security/advisories/GHSA-pvm5-9frx-264r
- https://github.com/zitadel/zitadel/commit/b85ab69e4679b0268e2b0e9b4cd04e934af10dd2
- https://github.com/zitadel/zitadel/commit/c300d4cc6a2775ab17ddfe76492f24170f8b858d
- https://github.com/zitadel/zitadel/releases/tag/v3.4.6
- https://github.com/zitadel/zitadel/releases/tag/v4.9.1
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