CVE-2026-86497
In JetBrains YouTrack before 2026.2.18769 changing a mailbox host without re-authentication allowed a project administrator to exfiltrate stored mailbox credentials
- Published Sep 7, 2026
- CVSS 6.8 medium
- 0.5% chance of exploitation in the next 30 days (EPSS)
- A fix is available