CVE-2021-23397

@ianwalter/merge Prototype Pollution via `merge` function

Published 25 Jul 2022Modified 17 Jun 2026CWE 1321

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

GHSA5.6CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by GHSA (medium).

Description

All versions of package @ianwalter/merge are vulnerable to Prototype Pollution via the main (merge) function. Maintainer suggests using @generates/merger instead.

Affected packages and fixed versions

Source	Package	Fixed in
npm::GitHub Security Advisory npm	@ianwalter/merge	no fix listed

References

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