JetBrains released a security advisory addressing a critical severity vulnerability impacting TeamCity On-Premises. Tracked as CVE-2026-63077, successful exploitation of the vulnerability may allow an unauthenticated attacker to bypass authentication checks and execute arbitrary operating system commands. JetBrains mentioned in their advisory that they are not aware of any active exploitation of this vulnerability. CISA added CVE-2026-63077 to its Known Exploited Vulnerabilities … Continue reading “JetBrains TeamCity Remote Code Execution Vulnerability (CVE-2026-63077)”