Race condition in TeamCity - CVE-2025-59455
Published: August 17, 2026
Vulnerability identifier: #VU143913
CSH Severity: Low
CVSS v4: 2.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-59455
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to bypass project isolation.
The vulnerability exists due to a race condition in project isolation controls when handling concurrent operations. A remote user can trigger concurrent actions to bypass project isolation.
Affected software
TeamCity
How to mitigate CVE-2025-59455
Install security update from vendor's website.
TeamCity - update to 2025.07.2