CVE-2026-23511
ZITADEL has a user enumeration vulnerability in Login UIs
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.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:LConfidentialityLow
I:NIntegrityNone
A:NAvailabilityNone
Weaknesses
Affected Products
zitadel
commercialaka zitadel identity
Go
package-ecosystem
Сообщество свободного программного обеспечения
oss-projectaka fsf
Exploitability
Official Patch Available
References
https://github.com/zitadel/zitadel/security/advisories/GHSA-pvm5-9frx-264r
github.com
https://github.com/zitadel/zitadel/commit/b85ab69e4679b0268e2b0e9b4cd04e934af10dd2
github.com
https://github.com/zitadel/zitadel/commit/c300d4cc6a2775ab17ddfe76492f24170f8b858d
github.com
and 5 more references View all →
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