CVE-2025-6547

On Node.js < 3, pbkdf2 silently disregards Uint8Array input, returning static keys

State: Published
Severity: 9.1 Critical
Published: Jun 23, 2025
Updated: Feb 12, 2026
Reserved: Jun 23, 2025

Description

Improper Input Validation vulnerability in pbkdf2 allows Signature Spoofing by Improper Validation.This issue affects pbkdf2: <=3.1.2.

Scores

CVSS	Score	Vector	Source
4.0	9.1 Critical	CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H	harborist

Weaknesses

CWE-20 Improper Input Validation

Affected Products

Product	Versions
pbkdf2	>= 1 <=3.1.2Affected

References

https://github.com/browserify/pbkdf2/security/advisories/GHSA-v62p-rq8g-8h59third-party-advisory
https://github.com/browserify/pbkdf2/commit/e3102a8cd4830a3ac85cd0dd011cc002fdde33bbpatch

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