{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-86478", "assignerOrgId": "547ada31-17d8-4964-bc5f-1b8238ba8014", "state": "PUBLISHED", "assignerShortName": "JetBrains", "dateReserved": "2026-09-07T16:13:33.299Z", "datePublished": "2026-09-07T16:26:40.709Z", "dateUpdated": "2026-09-07T16:26:40.709Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "547ada31-17d8-4964-bc5f-1b8238ba8014", "shortName": "JetBrains", "dateUpdated": "2026-09-07T16:26:40.709Z" }, "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "CWE-290", "cweId": "CWE-290" } ] } ], "affected": [ { "vendor": "JetBrains", "product": "YouTrack", "versions": [ { "version": "0", "status": "affected", "lessThan": "2025.3.161254, \n2026.1.14042", "versionType": "semver" } ], "defaultStatus": "unaffected" } ], "descriptions": [ { "lang": "en", "value": "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" } ], "references": [ { "url": "https://www.jetbrains.com/privacy-security/issues-fixed/" } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV3_1": { "version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H" } } ] } } }