CVE-2026-48935 Missing authorization in node

Low 3.3 Published Updated

Attackers can modify file metadata on read-only paths in Node.js when using the Permission API, bypassing intended access controls.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2026-48935?

CVE-2026-48935 is a low-severity missing authorization vulnerability in Nodejs Node.js, published on 26 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A flaw in Node.js Permission API can cause a file metadata to be modified even on a path that was set as read-only with e.g. `--allow-fs-read`. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.

Weakness: CWE-276

Which versions are affected by CVE-2026-48935?

2 open source packages ship an affected version, including node and node-min. It affects 1 product.

PackageAffectedFixed in
node BitnamiFrom 22.22.322.23.0, 24.17.0, 26.3.1
node-min BitnamiFrom 22.22.322.23.0, 24.17.0, 26.3.1

Products include Nodejs Node.js.

How do I fix CVE-2026-48935?

Upgrade node to a fixed version for your release line: 22.23.0, 24.17.0 or 26.3.1.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-48935 being exploited?

There is no known exploitation of CVE-2026-48935 in the wild and no public exploit code.

All Nodejs Node.js vulnerabilities

Sources

Also known as ALPINE-CVE-2026-48935, AZL-91233, BELL-CVE-2026-48935, BIT-node-2026-48935, BIT-node-min-2026-48935, DEBIAN-CVE-2026-48935 and 6 more.

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