BIT-node-2026-56846

vendorUSosv

view advisory published 2026-08-17Licence: per source

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**.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-56846US	—	0.50% (43rd)	Exploit	2026-08-04
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…

references

External citations — patches, advisories, analysis.

https://nodejs.org/en/blog/vulnerability/july-2026-security-releasesWEB
https://nvd.nist.gov/vuln/detail/CVE-2026-56846WEB

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