CVE-2026-100255

In JetBrains TeamCity before 2026.2, 2026.1.4, 2025.11.8 administrator account takeover was possible via password reset

  • Published Sep 30, 2026
  • CVSS 9.8 critical
  • 0.4% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

CVE-2026-100255 at the National Vulnerability Database