Path traversal in isomorphic-git - #VU141016
Published: August 5, 2026
Vulnerability identifier: #VU141016
CSH Severity: Medium
CVSS v4: 8.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to write arbitrary files outside the worktree.
The vulnerability exists due to path traversal in applyTreeChanges when applying tree changes during git cherry-pick. A remote user can supply a crafted repository state containing a tracked symlink and a cherry-picked tree entry to write arbitrary files outside the worktree.
User interaction is required to perform the cherry-pick operation.
Affected software
isomorphic-git
Remediation
Install security update from vendor's website.
isomorphic-git - update to 1.38.8