CVE-2026-105212

ZITADEL versions prior to 3.4.14 and 4.16.2 are vulnerable to an authentication bypass in the hosted Login V1 and Login V2 UIs. The root cause is the system's acceptance of passkey or other authenticator enrollments during identify-only login sessions before a primary factor is verified. This all...

CVE-2026-105212 ZITADEL before 3.4.14 and 4.16.2 Account Takeover via Passkey Enrollment

ZITADEL 3.x before 3.4.14 and 4.x before 4.16.2 contains an authentication bypass in the hosted Login V1 and Login V2 UIs that accepts passkey or other authenticator enrollment on identify-only login sessions, before any primary factor is verified. Unauthenticated attackers knowing only a victim'...

CVE-2026-105209

ZITADEL versions 3.x before 3.4.15 and 4.x before 4.17.1 are vulnerable to an improper authorization flaw (CWE-862) during passkey or passwordless enrollment. The system incorrectly validates the organization ID provided in the x-zitadel-orgid header instead of verifying the target user's actual ...

Kanidm: Stored HTML injection in "passkey-enrolment" partial via displayname → htmx-driven authenticated request forgery

Summary The kanidmd web UI renders the WebAuthn passkey-registration challenge as raw JSON inside an inline element using the Askama |safe filter. The challenge embeds the account's displayname, which serdejson serialises without escaping . A displayname containing therefore terminates the script...