Path traversal in TeamCity - CVE-2025-54531
Published: July 29, 2025
Vulnerability identifier: #VU113421
CSH Severity: High
CVSS v4: 8.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-54531
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences during plugin unpacking on Windows. A remote attacker can trick the victim into unpacking a specially crafted package and overwrite arbitrary files on the system.
Affected software
TeamCity
How to mitigate CVE-2025-54531
Install updates from vendor's website.
TeamCity - update to 2025.07