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cve recordhigh

CVE-2026-56846

Published
CVSS7.5
Severityhigh
WeaknessCWE-400
ExploitedNot in CISA KEV

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

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**.

References

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