CVE-2026-86489

In JetBrains YouTrack before 2026.2.18634 an IDOR in the user profile API disclosed private issues and starred folders across organizations

  • Published Sep 7, 2026
  • CVSS 6.5 medium
  • 0.3% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

CVE-2026-86489 at the National Vulnerability Database