Vulnerabilities

CVSS

7.5 High

Vector

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

Risk score

60.0

Published

2026-08-04

Status

Received

A flaw in Node.js HTTP/2 handling allows `nghttp2_session_mem_send()` to be called re-entrantly while `nghttp2_session_mem_recv()` is executing, resulting in a heap-use-after-free. This vulnerability affects Node.js **26.x**, **24.x**, and **22.x**.

Weaknesses

CWE-416

Coverage 1

vulnerability

Multiples vulnérabilités dans Node.js (30 juillet 2026)

Multiple vulnerabilities have been discovered in Node.js, impacting versions 22.x, 24.x, and 26.x prior to the specified release dates. These vulnerabilities can lead to data integrity compromise, data confidentiality is…

CERT-FR · Jul 30, 2026 Medium

CVE-2026-48934CVE-2026-56846CVE-2026-56847nodejsvulnerabilitysecurity

All articles mentioning it

Advisories and references

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