{"id":"CVE-2026-86497","title":"In JetBrains YouTrack before 2026.2.18769 changing a mailbox host without re-authentication allowed a project administrator to exfiltrate stored mailbox credentials","summary":"In JetBrains YouTrack before 2026.2.18769 changing a mailbox host without re-authentication allowed a project administrator to exfiltrate stored mailbox credentials","severity":"medium","cvss":6.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N","cwe":["CWE-201"],"vendor":"JetBrains","product":"YouTrack","affected":["YouTrack < 2026.2.18769"],"published":"2026-09-07","updated":"2026-09-08","sourceUpdated":"2026-09-08T15:30:03.247","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-86497","references":[{"url":"https://www.jetbrains.com/privacy-security/issues-fixed/","label":"cve@jetbrains.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-08T10:13:48.774522Z"},"epss":0.00298,"epssPercentile":0.22664,"ingestedAt":"2026-09-08T15:33:26.980Z","slug":"CVE-2026-86497","body":"## Overview\n\nIn JetBrains YouTrack before 2026.2.18769 changing a mailbox host without re-authentication allowed a project administrator to exfiltrate stored mailbox credentials\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":37,"depthScoreParts":{"impact":37.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}