ghsa-vj76-c3g6-qr5v
Vulnerability from github
Published
2025-09-24 18:57
Modified
2025-09-26 17:24
Severity ?
VLAI Severity ?
Summary
tar-fs has a symlink validation bypass if destination directory is predictable with a specific tarball
Details
Impact
v3.1.0, v2.1.3, v1.16.5 and below
Patches
Has been patched in 3.1.1, 2.1.4, and 1.16.6
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
Reported by: Mapta / BugBunny_ai
{
"affected": [
{
"package": {
"ecosystem": "npm",
"name": "tar-fs"
},
"ranges": [
{
"events": [
{
"introduced": "3.0.0"
},
{
"fixed": "3.1.1"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "npm",
"name": "tar-fs"
},
"ranges": [
{
"events": [
{
"introduced": "2.0.0"
},
{
"fixed": "2.1.4"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "npm",
"name": "tar-fs"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.16.6"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2025-59343"
],
"database_specific": {
"cwe_ids": [
"CWE-22",
"CWE-61"
],
"github_reviewed": true,
"github_reviewed_at": "2025-09-24T18:57:04Z",
"nvd_published_at": "2025-09-24T18:15:42Z",
"severity": "HIGH"
},
"details": "### Impact\n v3.1.0, v2.1.3, v1.16.5 and below\n\n### Patches\nHas been patched in 3.1.1, 2.1.4, and 1.16.6\n\n### Workarounds\nYou can use the ignore option to ignore non files/directories.\n\n```js\n ignore (_, header) {\n // pass files \u0026 directories, ignore e.g. symlinks\n return header.type !== \u0027file\u0027 \u0026\u0026 header.type !== \u0027directory\u0027\n }\n```\n\n### Credit\nReported by: Mapta / BugBunny_ai",
"id": "GHSA-vj76-c3g6-qr5v",
"modified": "2025-09-26T17:24:25Z",
"published": "2025-09-24T18:57:04Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/mafintosh/tar-fs/security/advisories/GHSA-vj76-c3g6-qr5v"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-59343"
},
{
"type": "WEB",
"url": "https://github.com/mafintosh/tar-fs/commit/0bd54cdf06da2b7b5b95cd4b062c9f4e0a8c4e09"
},
{
"type": "PACKAGE",
"url": "https://github.com/mafintosh/tar-fs"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "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",
"type": "CVSS_V4"
}
],
"summary": "tar-fs has a symlink validation bypass if destination directory is predictable with a specific tarball"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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