Improper Authorization in Handler for Custom URL Scheme in TeamCity - CVE-2025-67739
Published: December 11, 2025
Vulnerability identifier: #VU119867
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N]
CVE-ID: CVE-2025-67739
CWE-ID: CWE-939
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to improper validation of the repository URL. A remote attacker can obtain local paths.
Affected software
TeamCity
How to mitigate CVE-2025-67739
Install updates from vendor's website.
TeamCity - update to 2025.11.2