CVE-2026-23511

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 an...

CVE-2026-23511 ZITADEL has a user enumeration vulnerability in Login UIs

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 an...

EUVD-2026-2788

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 an...

CVE-2026-23511

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 an...

CVE-2026-23511

CVE-2026-23511 affects Zitadel, an open source identity management platform. A user enumeration flaw in login interfaces allows an unauthenticated attacker to verify the existence of valid user accounts by iterating through usernames and userIDs. The issue is present in multiple versions prior to...

CVE-2026-23511 ZITADEL has a user enumeration vulnerability in Login UIs

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 an...

GHSA-PVM5-9FRX-264R Zitadel has a user enumeration vulnerability in Login UIs

Summary 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. Impact The login UIs in version 1 and 2 provide the possibility...

PT-2026-3095

Name of the Vulnerable Software and Affected Versions ZITADEL versions prior to 4.9.1 ZITADEL versions prior to 3.4.6 Description ZITADEL is an open source identity management platform. A user enumeration issue exists in the login interfaces. An unauthenticated attacker can determine the existenc...