{"schema":"threatline.record/2","record":{"id":"CVE-2026-105213","aliases":["GHSA-558c-v5wc-9w4q"],"summary":"ZITADEL before 4.17.1 Authentication Bypass via Login V2 for Deactivated Organizations","details":"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.","categories":["Unclassified"],"product":"zitadel","vendor":"zitadel","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-105213","source_modified_at":"2026-10-05T15:42:12.210Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"zitadel","vendor":"zitadel","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"4.17.1"},{"version":"4.17.1","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-105213","source_modified_at":"2026-10-05T15:42:12.210Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"zitadel","ecosystem":null},"version":"4.17.1","basis":"first unaffected version stated in the CVE record"}],"cvss":8.8,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00236,"percentile":0.13794,"score_date":"2026-10-23"},"published_at":"2026-10-04T13:10:05.815Z","modified_at":"2026-10-05T15:42:12.210Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-105213","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-05T15:42:12.210Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-105213","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/zitadel/zitadel/security/advisories/GHSA-558c-v5wc-9w4q","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/zitadel-before-4.17.1-authentication-bypass-via-login-v2-for-deactivated-organizations","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"partial","assessed_at":"2026-10-05T15:38:52.606573Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-05T15:42:12.210Z","content_hash":"c309f36a3fb29dd31a1730b1b38e82d98ff6e750d242469c7934728f53d358ca"}}