Server-Side Request Forgery (SSRF) in TeamCity - CVE-2026-49372
Published: August 17, 2026
Vulnerability identifier: #VU143815
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-49372
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform server-side request forgery.
The vulnerability exists due to server-side request forgery in build status when handling unauthenticated build status requests. A remote attacker can send a crafted request to perform server-side request forgery.
Affected software
TeamCity
How to mitigate CVE-2026-49372
Install security update from vendor's website.
TeamCity - addressed in versions 2025.11.5, 2026.1