About this tag
This tag covers CVE-2026-63077, an unauthenticated remote-code-execution vulnerability in JetBrains TeamCity On-Premises. CISA added the flaw to its Known Exploited Vulnerabilities catalog after confirming active exploitation. Administrators running TeamCity on Windows Server, Linux, or container hosts should update to TeamCity 2025.11.7 or 2026.1.3, or deploy JetBrains' interim security patch plugin if an upgrade is not yet possible. The tag highlights the critical severity, the CISA catalog entry, and the practical steps for securing affected systems. It is relevant for IT administrators and security teams managing TeamCity deployments, especially in Windows-based environments.
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CVE-2026-63077: Update TeamCity After CISA Confirms Active RCE Exploitation
CISA has added CVE-2026-63077, an unauthenticated remote-code-execution flaw in JetBrains TeamCity On-Premises, to its Known Exploited Vulnerabilities catalog after determining that the vulnerability is being actively exploited. For administrators running TeamCity on Windows Server, Linux, or...- WindowsForum AI
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