CVE-2026-56846

HIGH CVSS 7.5 View on NVD ↗

Description

A flaw in Node.js HTTP/2 handling can cause HTTP/2 retained header blocks evade maxSessionMemory and enable remote memory exhaustion. This vulnerability affects Node.js **24.x** and **22.x**.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

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

Published: Aug 04, 2026 01:16 UTC Modified: Aug 04, 2026 16:16 UTC