CVE-2026-48931

low

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**.

References

https://nodejs.org/en/blog/vulnerability/june-2026-security-releases

https://jdstaerk.substack.com/p/nodejs-security-fix-silently-broke

http://www.openwall.com/lists/oss-security/2026/07/02/2

Details

Source: Mitre, NVD

Published: 2026-06-22

Updated: 2026-07-03

Risk Information

CVSS v2

Base Score: 2.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:P/A:N

Severity: Low

CVSS v3

Base Score: 3.7

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Severity: Low

EPSS

EPSS: 0.00276