CVE-2026-105209
CRITICAL
CVSS 9.6
Published: 2026-10-04
Modified: 2026-10-05
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Threat Intelligence Pending
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Description
ZITADEL 3.x before 3.4.15 and 4.x before 4.17.1 contains an improper authorization vulnerability: when issuing passkey or passwordless enrollment codes, it checks only the organization in the x-zitadel-orgid header, not the target user's organization. Attackers with user-write permission in one organization can obtain an enrollment code for a user in another organization on the same instance and register their own authenticator to take over that account.
Quick Facts
| CVE ID | CVE-2026-105209 |
| CVSS Score | 9.6 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N |
| Published | 2026-10-04 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |