CVE-2026-56846

nodejs / node PUBLISHED

Description (CNA)

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**.

Affected (CNA)

Vendor / product	Versions
nodejs / node	affected 24.18.0 through 24.18.0; affected 22.23.1 through 22.23.1

CWE

CWE-400

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.