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Multiple Vulnerabilities in Node.js (July 30, 2026)

unknownCVE-2026-56850CVE-2026-56846CVE-2026-58040CVE-2026-48934CVE-2026-58045CVE-2026-58042
Multiple vulnerabilities have been discovered in Node.js. Some of them allow an attacker to cause a remote denial of service, a breach of data confidentiality, and a breach of data integrity.

CSIRTS triage

What
Multiple vulnerabilities allow an attacker to cause a remote denial of service, breach data confidentiality, and breach data integrity.
Who is affected
All deployments of Node.js are affected by these vulnerabilities.
Urgency
Remediation is urgent due to the potential for remote denial of service and data breaches.
Action
Update to the latest version of Node.js to mitigate these vulnerabilities.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CERT-FR Avis de sécurité (FR · national-cert · site)
Severity
unknown
Published
2026-07-30
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

Original advisory: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0947/

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-56850coverage & exploitation statusNVD · CVE.org
CVE-2026-56846coverage & exploitation statusNVD · CVE.org
CVE-2026-58040coverage & exploitation statusNVD · CVE.org
CVE-2026-48934coverage & exploitation statusNVD · CVE.org
CVE-2026-58045coverage & exploitation statusNVD · CVE.org
CVE-2026-58042coverage & exploitation statusNVD · CVE.org
CVE-2026-56847coverage & exploitation statusNVD · CVE.org
CVE-2026-56848coverage & exploitation statusNVD · CVE.org
CVE-2026-58039coverage & exploitation statusNVD · CVE.org
CVE-2026-58041coverage & exploitation statusNVD · CVE.org
CVE-2026-58043coverage & exploitation statusNVD · CVE.org
CVE-2026-58044coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Node.js

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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