[CVE-2026-105211] ZITADEL before 4.17.1 contains an authentication bypass vulnerability in Login V2 that allows unauth…

Descripción técnica

ZITADEL before 4.17.1 contains an authentication bypass vulnerability in Login V2 that allows unauthenticated attackers to take over accounts by obtaining OTP codes via the returnCode delivery type. Attackers knowing a login name of a victim with OTP-Email and OTP-SMS enrolled can read both codes from server-action responses to gain MFA-authenticated sessions, including administrator takeover.

Puntuación CVSS

Score: 8.1/10 — Severidad: HIGH — Estado NIST: Deferred

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

Debilidades (CWE)

CWE-200

Fuente oficial

Publicado en NIST NVD.