CVE-2026-100273

In JetBrains YouTrack before 2026.2.19197 authorisation bypass in the scripts debugger allowed arbitrary code execution

  • Published Sep 30, 2026
  • CVSS 9.8 critical
  • 0.3% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

CVE-2026-100273 at the National Vulnerability Database