JetBrains patches critical TeamCity flaw enabling unauthenticated code execution

JetBrains has patched a critical vulnerability (CVE-2026-63077) in its TeamCity On-Premises software, which carries a CVSS score of 9.8. The flaw allows unauthenticated attackers to execute arbitrary commands, posing a severe risk to build pipelines and server integrity. Users are strongly advised to update to version 2025.11.7 or 2026.1.3 immediately.

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