Path traversal in Git allows writing to arbitrary file via cloning and committing to bad repository

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Advisories

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Fixes

Solution

Upgrade to versions 2.50.2, 2.51.3, 2.52.1, 2.53.1, 2.54.1, 2.55.1, 2.56.1 or above.


Workaround

No workaround given by the vendor.

History

Thu, 12 Nov 2026 07:15:00 +0000

Type Values Removed Values Added
Description A flaw was found in Git. A malicious server can advertise a malformed unborn HEAD reference during repository operations, causing unintended file writes on the client system during subsequent reference updates. This vulnerability may compromise data integrity by modifying unexpected files or corrupting repository data. Path traversal in Git allows writing to arbitrary file via cloning and committing to bad repository
Title git: git: Unintended file writes via malformed unborn HEAD advertisement Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Git
First Time appeared Git-scm
Git-scm git
CPEs cpe:2.3:a:git-scm:git:*:*:*:*:*:*:*:*
Vendors & Products Git-scm
Git-scm git
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L'}

cvssV3_1

{'score': 3.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N'}


Wed, 11 Nov 2026 12:15:00 +0000

Type Values Removed Values Added
Description A flaw was found in Git. A malicious server can advertise a malformed unborn HEAD reference during repository operations, causing unintended file writes on the client system during subsequent reference updates. This vulnerability may compromise data integrity by modifying unexpected files or corrupting repository data.
Title git: git: Unintended file writes via malformed unborn HEAD advertisement
Weaknesses CWE-22
References
Metrics threat_severity

None

cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L'}

threat_severity

Moderate


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitLab

Published:

Updated: 2026-11-12T07:09:19.100Z

Reserved: 2026-10-20T06:03:58.616Z

Link: CVE-2026-113408

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-12T07:16:45.597

Modified: 2026-11-12T07:16:45.597

Link: CVE-2026-113408

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-11-10T18:00:00Z

Links: CVE-2026-113408 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-11-11T18:45:21Z

Weaknesses