CVE-2026-56846

A flaw in Node.js HTTP/2 handling can cause HTTP/2 retained header blocks evade maxSessionMemory and enable remote memory exhaustion.…

hackerone·CWE-400·Published 2026-08-04

CVSS

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EPSS

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KEV

Exploits

cve.orgen

194 chars

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**.

NVDen

194 chars

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 metrics across sources

Version	Type	Source	Base	Exp	Impact	Vector
3.0	Primary	cve.org	7.5	—	—	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.0	Secondary	NVD	7.5	3.9	3.6	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H