{"id":"CVE-2026-105209","published":"2026-10-04T15:16:32.007","lastModified":"2026-10-05T21:16:33.700","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.","cvssScore":9.6,"cvssSeverity":"CRITICAL","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","cwes":["CWE-862"],"vendors":[],"products":[],"references":[{"url":"https://github.com/zitadel/zitadel/security/advisories/GHSA-pq2q-2c6r-75c4","tags":[]},{"url":"https://www.vulncheck.com/advisories/zitadel-before-3.4.15-and-4.17.1-cross-organization-account-takeover-via-passkey-enrollment","tags":[]}],"exploitRefs":[{"url":"https://github.com/zitadel/zitadel/security/advisories/GHSA-pq2q-2c6r-75c4","tags":[]}],"hasPoc":true,"ai":{"summary":"This vulnerability allows attackers with user-write permission in one organization to obtain an enrollment code for a user in another organization, potentially leading to account takeover.","exploitability":"Exploitation is relatively straightforward given the required user-write permission in one organization, and the attacker can then obtain an enrollment code for a user in another organization.","blast_radius":"If exploited, the impact is high as attackers can take over accounts in different organizations, leading to potential data breaches and unauthorized access.","remediation":"Upgrade to ZITADEL 3.4.15 or 4.17.1 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["auth-bypass","account-takeover","organization"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-10-05T08:42:23.460Z"}}