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CVE-2026-48931

3.7 · LOW

A flaw in Node.js HTTP Agent can cause a client to accept as valid a response that is send before the client has sent the request.

Published Jun 22, 2026CWE-367EPSS 0.34%

Overview

CVE-2026-48931 is a low-severity vulnerability. It was published on June 22, 2026 and has a CVSS 3.1 base score of 3.7 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.7, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A flaw in Node.js HTTP Agent can cause a client to accept as valid a response that is send before the client has sent the request.

This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.

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

Refnodejs.org/en/blog/vulnerability/june-2026-security-releasesRefwww.openwall.com/lists/oss-security/2026/07/02/2GitHubgithub.com/nodejs/node/issues/63989Refjdstaerk.substack.com/p/nodejs-security-fix-silently-broke

How CyberStrike helps

Frequently asked questions

What is CVE-2026-48931?

CVE-2026-48931 is a low-severity vulnerability. It was published on June 22, 2026 and has a CVSS 3.1 base score of 3.7 (LOW).

How severe is CVE-2026-48931?

This vulnerability has a CVSS 3.1 base score of 3.7, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-48931?

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-2026-48931?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-48931 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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