What is CVE-2026-23950?

CVE-2026-23950 is a high-severity vulnerability in Isaacs Node-tar, classified under CWE-176. CVSS score: 8.8/10. Published 2026-01-20.

How severe is CVE-2026-23950?

High severity. CVSS v3 base score is 8.8 out of 10.

CSRF in Isaacs Node-tar

CVE-2026-23950

node-tar,a Tar for Node.js, has a race condition vulnerability in versions up to and including 7.5.3. This is due to an incomplete handling of Unicode path collisions in the `path-reservations` system. On case-insensitive or normalization-…

EPSS: 0.000 (1.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:L.

Affected products

Isaacs Node-tar — versions < 7.5.4

Weakness classification (CWE)

References

https://github.com/isaacs/node-tar/security/advisories/GHSA-r6q2-hw4h-h46w (x_refsource_CONFIRM)
https://github.com/isaacs/node-tar/commit/3b1abfae650056edfabcbe0a0df5954d390521e6 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-23950?: CVE-2026-23950 is a high-severity vulnerability in Isaacs Node-tar, classified under CWE-176. CVSS score: 8.8/10. Published 2026-01-20.
How severe is CVE-2026-23950?: High severity. CVSS v3 base score is 8.8 out of 10.