CVE-2026-23511 (GCVE-0-2026-23511)
Vulnerability from cvelistv5
Published
2026-01-15 19:09
Modified
2026-01-15 19:56
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-204 - Observable Response Discrepancy
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.
References
Impacted products
Vendor Product Version
zitadel zitadel Version: >= 4.0.0, < 4.9.1
Version: < 3.4.6
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