GHSA-8cj5-5rvv-wf4v

Suggest an improvement
Source
https://github.com/advisories/GHSA-8cj5-5rvv-wf4v
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/06/GHSA-8cj5-5rvv-wf4v/GHSA-8cj5-5rvv-wf4v.json
JSON Data
https://api.test.osv.dev/v1/vulns/GHSA-8cj5-5rvv-wf4v
Aliases
Downstream
CGA (75)
MINI (4)
Related
Published
2025-06-03T06:14:25Z
Modified
2026-07-17T20:58:45Z
Severity
  • 8.7 (High) CVSS_V4 - 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 CVSS Calculator
Summary
tar-fs can extract outside the specified dir with a specific tarball
Details

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.

Database specific 
{
    "cwe_ids":  [
        "CWE-22"
    ],
    "github_reviewed":  true,
    "github_reviewed_at":  "2025-06-03T06:14:25Z",
    "nvd_published_at":  "2025-06-02T20:15:22Z",
    "severity":  "HIGH"
}
References

Affected packages

npm / tar-fs

Package

Name
tar-fs
View open source insights on deps.dev
Purl
pkg:npm/tar-fs

Affected ranges

Type
SEMVER
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.16.5

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/06/GHSA-8cj5-5rvv-wf4v/GHSA-8cj5-5rvv-wf4v.json"

npm / tar-fs

Package

Name
tar-fs
View open source insights on deps.dev
Purl
pkg:npm/tar-fs

Affected ranges

Type
SEMVER
Events
Introduced
2.0.0
Fixed
2.1.3

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/06/GHSA-8cj5-5rvv-wf4v/GHSA-8cj5-5rvv-wf4v.json"

npm / tar-fs

Package

Name
tar-fs
View open source insights on deps.dev
Purl
pkg:npm/tar-fs

Affected ranges

Type
SEMVER
Events
Introduced
3.0.0
Fixed
3.0.9

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/06/GHSA-8cj5-5rvv-wf4v/GHSA-8cj5-5rvv-wf4v.json"