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CVE-2025-59343

UNKNOWN
Published 2025-09-24T17:43:34.728Z
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No CVSS data available

Description

tar-fs provides filesystem bindings for tar-stream. Versions prior to 3.1.1, 2.1.3, and 1.16.5 are vulnerable to symlink validation bypass if the destination directory is predictable with a specific tarball. This issue has been patched in version 3.1.1, 2.1.4, and 1.16.6. A workaround involves using the ignore option on non files/directories.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

mafintosh

tar-fs

Affected Versions:

>= 3.0.0, < 3.1.1 >= 2.0.0, < 2.1.3 < 1.16.5

EU Vulnerability Database

Monitored by ENISA for EU cybersecurity

EU Coordination

EU Coordinated

Exploitation Status

No Known Exploitation

EUVD ID

View on ENISA

ENISA Analysis

Malicious code in bioql (PyPI)

Affected Products (ENISA)

mafintosh
tar-fs

ENISA Scoring

CVSS Score (4.0)

8.7
/10
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

EPSS Score

0.070
probability

ENISA References

https://github.com/mafintosh/tar-fs/security/advisories/GHSA-vj76-c3g6-qr5v
https://github.com/mafintosh/tar-fs/commit/0bd54cdf06da2b7b5b95cd4b062c9f4e0a8c4e09
https://nvd.nist.gov/vuln/detail/CVE-2025-59343

Data provided by ENISA EU Vulnerability Database. Last updated: October 3, 2025

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed HIGH

tar-fs has a symlink validation bypass if destination directory is predictable with a specific tarball

GHSA-vj76-c3g6-qr5v

Advisory 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 Packages

npm tar-fs
ECOSYSTEM: ≥3.0.0 <3.1.1
npm tar-fs
ECOSYSTEM: ≥2.0.0 <2.1.4
npm tar-fs
ECOSYSTEM: ≥0 <1.16.6

CVSS Scoring

CVSS Score

7.5

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

References

WEB https://github.com/mafintosh/tar-fs/security/advisories/GHSA-vj76-c3g6-qr5v
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2025-59343
WEB https://github.com/mafintosh/tar-fs/commit/0bd54cdf06da2b7b5b95cd4b062c9f4e0a8c4e09
PACKAGE https://github.com/mafintosh/tar-fs

Advisory provided by GitHub Security Advisory Database. Published: September 24, 2025, Modified: September 26, 2025

References

https://github.com/mafintosh/tar-fs/security/advisories/GHSA-vj76-c3g6-qr5v
https://github.com/mafintosh/tar-fs/commit/0bd54cdf06da2b7b5b95cd4b062c9f4e0a8c4e09
Published: 2025-09-24T17:43:34.728Z
Last Modified: 2025-09-24T17:43:34.728Z
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