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CVE-2026-23511

MEDIUM CVSS: 5.3 Published: 2026-01-15 Modified: 2026-06-17

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 Platforms

Zitadel Zitadel

Weakness Type

CWE-204

References