VULNERABILITY INTELLIGENCE
CVE-2026-56846
CVSS score7.5 HIGH
EPSS probability0.50%
CISA KEVNot currently listed
Published2026-08-04
Last modified2026-10-23
CVSS vectorCVSS: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**.
Weakness classification
- support@hackerone.com: CWE-400