Missing Authorization Affecting node package, versions [,20.20.2)[21.0.0,22.22.2)[23.0.0,24.14.1)[25.0.0,25.8.2)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published26 Mar 2026
- disclosed26 Mar 2026
- creditwooseokdotkim
Introduced: 26 Mar 2026
CVE-2026-21716 (opens in a new tab)How to fix?
Upgrade node to version 20.20.2, 22.22.2, 24.14.1, 25.8.2 or higher.
Overview
node is a JavaScript runtime built on Chrome's V8 JavaScript engine.
Affected versions of this package are vulnerable to Missing Authorization via FileHandle.chmod or FileHandle.chown functions which can use a "read-only" file descriptor to change the owner and permissions of a file.
Notes:
This is only exploitable for users using the experimental permission when the
--allow-fs-writeflag is used;This is caused by an incomplete fix for CVE-2024-36137.