{"id":"CVE-2026-105213","published":"2026-10-04T15:16:32.687","lastModified":"2026-10-05T16:17:11.050","description":"ZITADEL 4.x before 4.17.1 does not check an organization's inactive state during Login V2 authentication, verifying only the individual user's status. Users of a deactivated organization who hold valid credentials, an existing session, or a refresh token can still sign in, create sessions, and obtain or refresh tokens.","cvssScore":8.2,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N","cwes":["CWE-287"],"vendors":[],"products":[],"references":[{"url":"https://github.com/zitadel/zitadel/security/advisories/GHSA-558c-v5wc-9w4q","tags":[]},{"url":"https://www.vulncheck.com/advisories/zitadel-before-4.17.1-authentication-bypass-via-login-v2-for-deactivated-organizations","tags":[]}],"exploitRefs":[{"url":"https://github.com/zitadel/zitadel/security/advisories/GHSA-558c-v5wc-9w4q","tags":[]}],"hasPoc":true,"ai":{"summary":"The flaw allows users of a deactivated organization to still sign in and create sessions, potentially leading to unauthorized access.","exploitability":"Exploitation is relatively easy if an attacker has valid credentials or a refresh token from a deactivated organization.","blast_radius":"If exploited, it could lead to unauthorized access and session creation, impacting the security of the affected organization.","remediation":"Upgrade to ZITADEL 4.17.1 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["auth-bypass","web","session","deactivated"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-10-05T08:43:25.971Z"}}