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auth0/node-jws is a JSON Web Signature implementation for Node.js. In versions 3.2.2 and earlier and version 4.0.0, auth0/node-jws has an improper signature verification vulnerability when using the HS256 algorithm under specific conditions…

Exact source revision recorded 25 Oct 2026 03:17:36 UTC. It does not establish the source's current position. Latest evidence.

nvd · CVE-2025-65945

Published

auth0/node-jws is a JSON Web Signature implementation for Node.js. In versions 3.2.2 and earlier and version 4.0.0, auth0/node-jws has an improper signature verification vulnerability when using the HS256 algorithm under specific conditions. Applications are affected when they use the jws.createVerify() function for HMAC algorithms and use user-provided data from the JSON Web Signature protected header or payload in HMAC secret lookup routines, which can allow attackers to bypass signature verification. This issue has been patched in versions 3.2.3 and 4.0.1.

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-347

Original publisher date fields

published: 2025-12-04T19:16:05.550

lastModified: 2026-10-18T15:10:00.097

2 source CPE criteria · context only
  • cpe:2.3:a:auth0:node-jws:*:*:*:*:*:node.js:*:*
  • cpe:2.3:a:auth0:node-jws:4.0.0:*:*:*:*:node.js:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

Source published
4 Dec 2025 19:16:05 UTC
Source modified
18 Oct 2026 15:10:00 UTC
Observed here
25 Oct 2026 03:17:36 UTC
Source terms
NIST NVD usage terms; underlying source attribution retained

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: nvd · NIST NVD usage terms; underlying source attribution retained. Source text is retained; field grouping and change labels are provided by ChangeIntel.

CVSS 3.1 · [email protected] · Secondary · 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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Sources read 9 Nov 06:36 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current