Improper Neutralization of Argument Delimiters in a Command in TeamCity - CVE-2026-49373
Published: August 17, 2026
Vulnerability identifier: #VU143816
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-49373
CWE-ID: CWE-88
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary code.
The vulnerability exists due to argument injection in Perforce connection settings when processing user-supplied connection parameters. A remote user can supply specially crafted Perforce connection settings to execute arbitrary code.
Affected software
TeamCity
How to mitigate CVE-2026-49373
Install security update from vendor's website.
TeamCity - update to 2026.1