CESS-2026-23511 — Vulnetix

CESS-2026-23511 PUBLISHED CVSS 5.3 MEDIUM

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.

Risk Scores

CVSS 3.1

5.3

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Timeline

Jan 15, 2026 CVE Published

Open in Interactive Console →