Missing Authorization in TeamCity - CVE-2026-28195

 

Missing Authorization in TeamCity - CVE-2026-28195

Published: February 25, 2026


Vulnerability identifier: #VU123267
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-28195
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to gain unauthorized access to the application.

The vulnerability exists due to missing authorization checks. A remote user with project developer permissions can add parameters to build configurations.


Affected software

TeamCity

How to mitigate CVE-2026-28195

Install updates from vendor's website.

TeamCity - update to 2025.11.3

External References

Related Security Bulletins