CVE-2026-114098

HIGH 7.8

Dulwich 0.22.5 before 1.2.8 Path Traversal via Stash Pop Symlinks

CVSS Score

7.8

EPSS Score

0.0%

EPSS Percentile

0th

Dulwich from 0.22.5 before 1.2.8 contains a path traversal vulnerability in stash.py pop() that allows attackers to write arbitrary files outside the worktree through intermediate directory symlinks. Attackers can craft a malicious repository whose popped stash writes a payload into .git/hooks/post-checkout, achieving code execution on the next checkout.

CWE	CWE-22
Vendor	jelmer
Product	dulwich
Published	Oct 21, 2026

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CVSS v3 Breakdown

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

jelmer / dulwich

0.22.5 < 1.2.8

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/jelmer/dulwich/security/advisories/GHSA-cm62-gvxx-vmxx vulncheck.com: https://www.vulncheck.com/advisories/dulwich-0.22.5-before-1.2.8-path-traversal-via-stash-pop-symlinks

Credits

🔍 manus-use jelmer