CVE-2026-59871
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductIsaacs Tar
PublishedJul 8, 2026
First seenJul 8, 2026
Weakness typeCWE-704CWE-704
How to fix
Update
- isaacs tar7.5.18 or later
- tar7.5.18 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| isaacs tar | v < 7.5.18 | 7.5.18 |
| tarnpm | v < 7.5.18 | 7.5.18 |
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