What is CVE-2026-48936?

CVE-2026-48936 is a low-severity vulnerability in Nodejs Node, classified under Improper Access Control. CVSS score: 3.3/10. Published 2026-06-26.

How severe is CVE-2026-48936?

Low severity. CVSS v3 base score is 3.3 out of 10.

Vulnerability in Nodejs Node

CVE-2026-48936

A flaw in Node.js Permission API can cause a local server to be started (via a Unix domain socket), even without the `--allow-net` permission. This vulnerability affects one supported release line: **Node.js 26**.

EPSS: 0.001 (4.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Nodejs Node — versions 26.3.0
Nodejs Node.js — versions 26.3.0

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

support@hackerone.com (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-48936?: CVE-2026-48936 is a low-severity vulnerability in Nodejs Node, classified under Improper Access Control. CVSS score: 3.3/10. Published 2026-06-26.
How severe is CVE-2026-48936?: Low severity. CVSS v3 base score is 3.3 out of 10.