CVE-2026-109373

ZITADEL versions 3.0.0 before 4.19.2 are vulnerable to an authentication bypass in the Login V2 UI . The root cause allows unauthenticated attackers to forge unsigned session cookies by guessing time-ordered session IDs near a victim's sign-in. By supplying these IDs with empty tokens, attackers ...

EUVD-2026-97671

ZITADEL 3.0.0 before 4.19.2 contains an authentication bypass vulnerability in the Login V2 UI that allows unauthenticated attackers to obtain other users' session tokens by forging unsigned session cookies. Attackers can guess time-ordered session IDs around a victim's sign-in and supply them wi...