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CVE-2025-65945

7.5 · HIGH

auth0/node-jws is a JSON Web Signature implementation for Node.js.

Published Dec 4, 2025CWE-347EPSS 0.21%

Overview

CVE-2025-65945 is a high-severity vulnerability. It was published on December 4, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/auth0/node-jws/commit/34c45b2c04434f925b638de6a061de9339c0ea2eGitHubgithub.com/auth0/node-jws/security/advisories/GHSA-869p-cjfg-cm3x

How CyberStrike helps

Frequently asked questions

What is CVE-2025-65945?

CVE-2025-65945 is a high-severity vulnerability. It was published on December 4, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-65945?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-65945?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-65945?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-65945 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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