---
title: "CVE-2026-114094: Dulwich - Path Traversal"
description: "Dulwich < 1.2.9 contains a path traversal caused by failure to validate DOS drive letter prefixes in Git tree path elements on Windows, letting remote attackers write arbitrary files outside the worktree, exploit requires crafted malicious repository."
url: https://panop.io/threat-heartbeat/CVE-2026-114094/
---

# CVE-2026-114094 Dulwich - Path Traversal

Dulwich < 1.2.9 contains a path traversal caused by failure to validate DOS drive letter prefixes in Git tree path elements on Windows, letting remote attackers write arbitrary files outside the worktree, exploit requires crafted malicious repository.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-114094)

## Details

Type

Path Traversal

Impact

File System Write, Remote Code Execution

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Published

21 October 2026

Updated

21 October 2026

Weakness

[CWE-22](https://cwe.mitre.org/data/definitions/22.html)

## Vendor fix

Update to version 1.2.9 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-114094](https://nvd.nist.gov/vuln/detail/CVE-2026-114094)
- [https://github.com/jelmer/dulwich/security/advisories/GHSA-8mcx-5rqc-vhmf](https://github.com/jelmer/dulwich/security/advisories/GHSA-8mcx-5rqc-vhmf)
- [https://www.vulncheck.com/advisories/dulwich-before-1.2.9-arbitrary-file-write-via-dos-drive-letter-paths](https://www.vulncheck.com/advisories/dulwich-before-1.2.9-arbitrary-file-write-via-dos-drive-letter-paths)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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