News

SecurityCritical Security Issue Affecting TeamCity On-Premises (CVE-2026-63077) – Update to 2025.11.7 or 2026.1.3 Now

Summary

A critical security vulnerability has been identified in TeamCity On-Premises and assigned the Common Vulnerabilities and Exposures (CVE) identifier CVE-2026-63077.

If exploited, this vulnerability may allow an unauthenticated attacker with HTTP(S) access to a TeamCity server to bypass authentication checks and execute arbitrary operating system commands.