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vulnerabilities
CISA Flags TeamCity CVE-2026-63077 RCE Flaw Under Active Exploitation in the Wild
CISA has confirmed that CVE-2026-63077, a critical remote code execution vulnerability in JetBrains TeamCity, is under active exploitation. The flaw, which affects on-premise TeamCity deployments and carries a CVSS score of 9.8, stems from unsafe deserialization of untrusted data and requires no authentication to exploit.
Why it matters: Organizations running on-premise TeamCity instances face immediate risk from unauthenticated remote code execution; apply available patches without delay.
- Source published
- First seen by Cybersecurity Tracker
Source attribution
Correction
Correction recorded as of .
vulnerabilities
CISA Flags TeamCity CVE-2026-63077 RCE Flaw Under Active Exploitation in the Wild
CISA has confirmed that CVE-2026-63077, a critical remote code execution vulnerability in JetBrains TeamCity, is under active exploitation. The flaw, which affects on-premise TeamCity deployments and carries a CVSS score of 9.8, stems from unsafe deserialization of untrusted data and requires no authentication to exploit.
Why it matters: Organizations running on-premise TeamCity instances face immediate risk from unauthenticated remote code execution; apply available patches without delay.
- Source published
- First seen by Cybersecurity Tracker