{"schema":"threatline.record/2","record":{"id":"CVE-2026-86478","aliases":[],"summary":"In JetBrains YouTrack before 2025.3.161254, \n2026.1.14042 improper authentication in YouTrack Helpdesk allowed unauthenticated account takeover via a self-asserted email address","details":"In JetBrains YouTrack before 2025.3.161254, \n2026.1.14042 improper authentication in YouTrack Helpdesk allowed unauthenticated account takeover via a self-asserted email address","categories":["Unclassified"],"product":"YouTrack","vendor":"JetBrains","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-86478","source_modified_at":"2026-09-09T04:25:56.540Z","fetched_at":"2026-10-23T19:58:35.668311Z","product":"YouTrack","vendor":"JetBrains","versions":[{"version":"0","status":"affected","lessThan":"2025.3.161254, \n2026.1.14042","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-86478","source_modified_at":"2026-09-09T04:25:56.540Z","fetched_at":"2026-10-23T19:58:35.668311Z","package":{"name":"YouTrack","ecosystem":null},"version":"2025.3.161254, \n2026.1.14042","basis":"first unaffected version stated in the CVE record"}],"cvss":9.8,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.00606,"percentile":0.48344,"score_date":"2026-10-23"},"published_at":"2026-09-07T16:26:40.709Z","modified_at":"2026-09-09T04:25:56.540Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-86478","fetched_at":"2026-10-23T19:58:35.668311Z","source_modified_at":"2026-09-09T04:25:56.540Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-86478","fetched_at":"2026-10-23T19:58:35.668311Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://www.jetbrains.com/privacy-security/issues-fixed/"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"total","assessed_at":"2026-09-08T00:00:00+00:00"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-09-09T04:25:56.540Z","content_hash":"35d5f01514c4a9b14946ccb5ff6db4bc845888313472b609e8bb2f1498d56f82"}}