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Vulnerability record · CVE-2026-48936 · published 26 June 2026

CVE-2026-48936: Nodejs node.js improper access control vulnerability

Nodejs · Node.Js

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**.

3.3 CVSS 3.0 Low EPSS 0.14% · top 97.6% CWE-284 · Improper access control
3.3CVSS 3.0 base score
0.14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
26 Jun 2026Last modified by NVD

Description

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**.

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://nodejs.org/en/blog/vulnerability/june-2026-security-releases PatchVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-48936), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.