ShellCodeX Intelligence Brief
CRITICAL
Vulnerabilities
JetBrains TeamCity CVE-2026-63077 is being exploited for unauthenticated RCE
Source headline: Hackers Start Exploiting Recent JetBrains TeamCity Vulnerability
Threat level
Critical
Signal strength
90/100
Source confidence
1 source
Published
1 hour ago
Intelligence Summary
A critical vulnerability tracked as CVE-2026-63077 in JetBrains TeamCity is now being actively exploited. The flaw allows remote code execution without requiring authentication. Because TeamCity is commonly used for CI/CD automation, compromise can quickly lead to build and deployment impact. Organizations running vulnerable TeamCity instances should treat this as urgent. Apply vendor patches and restrict network exposure while verifying installations are updated. Monitor for suspicious activity related to unexpected processes and job executions.
Recommended Action
Prioritize immediate review, validate exposure, and patch or mitigate affected systems.
Topics
Original reporting
SecurityWeek
Hackers Start Exploiting Recent JetBrains TeamCity Vulnerability
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