ZITADEL 4.0.0 before 4.19.5 Account Takeover via Login V2 Host Header Injection
ZITADEL 4.0.0 before 4.19.5 contains a host header injection vulnerability in the Login V2 UI that allows unauthenticated attackers to poison password-reset, invite, and email-verification links by supplying untrusted x-zitadel-public-host, x-zitadel-forward-host, or x-forwarded-host headers. Attackers knowing a victim…
Severity high: primary CNA CVSS 8.6 v4.0 (worst CNA-provided scenario) Not listed in this KEV snapshot. EPSS unavailable for this snapshot.
Published 2026-10-29T15:58:09.747Z. Updated 2026-10-29T15:58:09.747Z.