CVE-2026-59871
node-tar: Process crash via PAX numeric path type confusion
5.3
MEDIUM
CVSS 3.1
EPSS 0.36%
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.
How to fix CVE-2026-59871
To remediate CVE-2026-59871, upgrade the affected package to a fixed version below.
- —upgrade to 7.5.18 or later
Is CVE-2026-59871 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 7.5.18
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |