CVE-2026-119127 | BDVDB-2026-397883 Detail

Description#

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's login name can point the links in genuine emails at their host, harvest the single-use codes when the links are opened, and take over accounts including instance administrators.

Impact#

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Exploit#

History#

1. Version 12026-10-29Record published in the CVE List.
2. Version 22026-11-04Most recent update recorded in the CVE List.