CVE-2025-6547 CRITICAL

CVE-2025-6547: On Node.js < 3, pbkdf2 silently disregards Uint8Array input, returning static keys

Weakness CWE-20 · Input validation
Published June 23, 2025
Last update February 12, 2026
View on NVD All CVEs

CVSS base score

9.1/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

June 23, 2025 CVE published
February 12, 2026 Record updated