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

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

No data.

No data.

No data.

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No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.jetbrains.com/privacy-security/issues-fixed/ cve-icon cve-icon
History

Wed, 30 Sep 2026 17:15:00 +0000

Type Values Removed Values Added
Title Authenticated Command Execution via CRLF Injection in TeamCity Pipeline Git Settings

Wed, 30 Sep 2026 15:30:00 +0000

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: JetBrains

Published:

Updated: 2026-09-30T15:48:41.526Z

Reserved: 2026-09-25T17:02:02.459Z

Link: CVE-2026-100254

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-30T16:16:55.947

Modified: 2026-09-30T16:44:39.840

Link: CVE-2026-100254

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-30T17:00:16Z

Weaknesses