JetBrains TeamCity Authentication Bypass Vulnerability

JetBrains TeamCity contains an authentication bypass vulnerability that allows for remote code execution on TeamCity Server.

Published 12 Oct 2026Updated 12 Oct 2026123 sources
CVSS 9.8 ✓ VERIFIED REFERENCE△ CISA KEV

What happened

JetBrains TeamCity contains an authentication bypass vulnerability that allows for remote code execution on TeamCity Server.

Affected versions

TeamCity: See original advisory Fixed: See vendor advisory.

Why it matters

This source correlation may provide earlier visibility while structured CVE metadata is still being updated.

Detection & mitigation

  • Review the original advisory and validate affected versions.
  • Apply vendor-provided updates or mitigations when available.

Public PoC references