CVE-2026-100254

Authenticated Command Execution via CRLF Injection in TeamCity Pipeline Git Settings

Published Sep 30, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
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

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:jetbrains:teamcity:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Jetbrains
Jetbrains teamcity
Vendors & Products Jetbrains
Jetbrains teamcity
Type Values Removed Values Added
Title Authenticated Command Execution via CRLF Injection in TeamCity Pipeline Git Settings
Type Values Removed Values Added
Description 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
Weaknesses CWE-78
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
JetBrains
Published
Updated
Oct 1, 2026, 3:55 AM
Reserved
Sep 25, 2026, 5:02 PM
Status
Analyzed
Published
Sep 30, 2026, 4:16 PM
Modified
Oct 6, 2026, 4:42 PM