All vulnerabilities
CVE-2025-48387
tar-fs can extract outside the specified dir with a specific tarball
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.
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.
Patch Available
Fix available through Seal Security.
No upgrade required, protect your application instantly.
Fix without upgrading
Score
8.7
Severity
High
Ecosystem
JavaScript
Publish Date
June 3, 2025
Modified Date
February 3, 2026
Score 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
Affected Versions

