๐Ÿ” CVE Alert

CVE-2026-56846

HIGH 7.5
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th

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**.

CWE CWE-400
Vendor nodejs
Product node
Ecosystems
Industries
Technology
Published Aug 4, 2026
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CVSS v3 Breakdown

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

Affected Versions

nodejs / node
24.18.0 โ‰ค 24.18.0 22.23.1 โ‰ค 22.23.1

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
nodejs.org: https://nodejs.org/en/blog/vulnerability/july-2026-security-releases