Cleartext Storage of Sensitive Information in an Environment Variable in TeamCity - CVE-2026-49377
Published: August 17, 2026
Vulnerability identifier: #VU143819
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-49377
CWE-ID: CWE-526
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to exposure of sensitive information in default agent parameters when handling agent configuration and parameter data. A remote user can access default agent parameters to disclose sensitive information.
Affected software
TeamCity
How to mitigate CVE-2026-49377
Install security update from vendor's website.
TeamCity - update to 2025.11.2