🛡️ CVE-2026-59871 on Ubuntu — node-tar

⚪ Unknown ✅ No Known Exploit OSV

N/A

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

node-tar is a tar archive manipulation library for Node.js. Prior to 7.5.18, node-tar coerces all-digit PAX path and linkpath values in src/pax.ts to JavaScript numbers, causing downstream path handling such as normalizeWindowsPath(entry.path).split('/') to throw an uncaught TypeError. This issue is fixed in version 7.5.18.

Distribution advisory

This page covers CVE-2026-59871 as tracked by Ubuntu, for the package node-tar. No fixed version has been recorded for this distribution yet.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

UBUNTU-CVE-2026-59871 is classified as CWE-704: Incorrect Type Conversion or Cast. The product does not correctly convert an object, resource, or structure from one type to a different type.

Affected software

UBUNTU-CVE-2026-59871 is recorded against 1 package.

node-tar

Timeline and source

Published on 8 July 2026 and last revised on 15 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

ubuntu.com (Report)
www.cve.org (Report)
github.com (Report)

Details

Severity Unknown

CVSS Score N/A

CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE N/A

Public Exploit ✅ No

Source OSV

Published 2026-07-08

Updated 2026-08-11

Modified 2026-07-15

Fix URL N/A

Affected Packages

Software	From version	Fixed in
node-tar	—	—

References

REPORT https://ubuntu.com/security/CVE-2026-59871

REPORT https://www.cve.org/CVERecord?id=CVE-2026-59871

REPORT https://github.com/isaacs/node-tar/security/advisories/GHSA-w8wr-v893-vjvp

🔗 NVD 🔗 Mitre

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