GitHub Advisoryadvisory · npm

GHSA-8cj5-5rvv-wf4v tar-fs can extract outside the specified dir with a specific tarball

HIGH Published 2025-06-03 Modified 2025-11-03 Official page ↗
Aliases
CVE-2025-48387
Ecosystem
npm
Packages
tar-fs
Severity
High
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Weaknesses
CWE-22
Reviewed
2025-06-03

Affected packages

• npm tar-fs: < 1.16.5 → fixed in 1.16.5 • npm tar-fs: >= 2.0.0, < 2.1.3 → fixed in 2.1.3 • npm tar-fs: >= 3.0.0, < 3.0.9 → fixed in 3.0.9

Description

Impact v3.0.8, v2.1.2, v1.16.4 and below Patches Has been patched in 3.0.9, 2.1.3, and 1.16.5 Workarounds You can use the ignore option to ignore non files/directories. ```js ignore (_, header) { // pass files & directories, ignore e.g. symlinks return header.type !== 'file' && header.type !== 'directory' } ``` Credit Thank you Caleb Brown from Google Open Source Security Team for reporting this in detail.

Related

Alias · CVE (1)

  • CVE-2025-48387 tar-fs provides filesystem bindings for tar-stream. vulnerability

Weakness · CWE (1)

  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness

References