Vulnerability in Isaacs Node-tar

CVE-2026-59871

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.p…

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-59871?
CVE-2026-59871 is a medium-severity vulnerability in Isaacs Node-tar, classified under Incorrect Type Conversion or Cast. CVSS score: 5.3/10. Published 2026-07-08.
How severe is CVE-2026-59871?
Medium severity. CVSS v3 base score is 5.3 out of 10.