JetBrains has disclosed a critical security vulnerability (CVE-2026-63077, CVSS 9.8) in TeamCity On-Premises that enables unauthenticated attackers to execute arbitrary operating system commands. The flaw affects all on-premise versions and has been patched in versions 2025.11.7 and 2026.1.3, while cloud instances are already secured. Organizations using on-premise TeamCity deployments should prio
JetBrains is urging customers of on-premise versions of TeamCity to update to the latest version following the discovery of a critical security issue that could result in arbitrary code execution. The vulnerability, assigned CVE-2026-63077 (CVSS score: 9.8), affects all TeamCity On-Premises versions. It has been addressed in versions 2025.11.7 and 2026.1.3. TeamCity Cloud instances have already
Originally published at thehackernews.com
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