EUVD-2025-201250
GHSA-869p-cjfg-cm3x
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Primary rating from Vendor (github).
CVSS VectorVendor: github
Lifecycle Timeline
4Blast Radius
ecosystem impact- 41 npm packages depend on jws (10 direct, 31 indirect)
Ecosystem-wide dependent count for version 4.0.0.
DescriptionCVE.org
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.
Analysis
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.
Technical ContextAI
This vulnerability is classified as Improper Verification of Cryptographic Signature (CWE-347).
RemediationAI
A vendor patch is available. Apply it as soon as possible and verify the fix.
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