CVE-2026-100254

In JetBrains TeamCity before 2026.2, 2026.1.4, 2025.11.8 authenticated users could execute commands on Windows servers via CRLF injection in Pipeline Git connection settings

JetBrains TeamCityApplications & CMS

CVSS

8.8High

ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV

Exploit odds (EPSS)0.47%Chance of exploitation activity in the next 30 days, higher than 39% of CVEs. Scored 23 Oct 2026FIRST EPSS

Fixed in2026.2, 2026.1.4, 2025.11.8Fixed versionCVE List

Published30 Sep 2026Updated 1 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.