---
id: CVE-2026-100254
title: >-
  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
summary: >-
  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
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-78
vendor: JetBrains
product: TeamCity
affected:
  - |-
    TeamCity < 2026.2, 
    2026.1.4, 
    2025.11.8
published: '2026-09-30'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T16:44:39.840'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-100254'
references:
  - url: 'https://www.jetbrains.com/privacy-security/issues-fixed/'
    label: cve@jetbrains.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-30T15:36:44.398225Z'
ingestedAt: '2026-09-30T16:10:07.700Z'
---

## Overview

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

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.