Node.js Multiple Vulnerabilities

CSIRTS triage

What

Multiple vulnerabilities have been reported in Node.js.

Who is affected

Users of Node.js are affected.

Urgency

Remediation is not urgent as there are no known exploits for these vulnerabilities.

Action

Check for updates and apply patches when available.

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

Details

Source

HKCERT Security Bulletins (HK · national-cert · site)

Severity

unknown

Published

2026-07-30

Exploitation

Not in CISA KEV at last sync

Original advisory: https://www.hkcert.org/security-bulletin/node-js-multiple-vulnerabilities_20260730

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.

• Low exploitation riskCVE-2026-489340.26% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all scored CVEs.
• Low exploitation riskCVE-2026-568470.15% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 5% of all scored CVEs.
• Low exploitation riskCVE-2026-568500.08% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 0% of all scored CVEs.
• Low exploitation riskCVE-2026-580390.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all scored CVEs.
• Low exploitation riskCVE-2026-580400.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 16% of all scored CVEs.
• Low exploitation riskCVE-2026-580430.14% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all scored CVEs.

Referenced CVEs

Same CVEs, other sources

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

• medium[NEW] [medium] Node.js: Multiple vulnerabilitiescert-bund
• lowCVE-2026-58039: A flaw in Node.js Permission Model enforcement allows process.report writes (and overwrites) f…nvd
• highCVE-2026-58043: A flaw in Node.js Permission Model enforcement can over-grant filesystem access across radix-t…nvd
• mediumCVE-2026-58040: An incomplete fix has been identified in Node.js: HTTPS Agent TLS session reuse skips hostname…nvd
• mediumCVE-2026-56850: A flaw in Node.js HTTPS Agent connection reuse can cause PFX object-array key collisions, allo…nvd
• lowCVE-2026-56847: A flaw in Node.js Permission Model enforcement allows `trace_events.createTracing().enable()` …nvd
• unknownMultiple Vulnerabilities in Node.js (July 30, 2026)cert-fr-avis
• high[UPDATE] [high] Node.js: Multiple vulnerabilitiescert-bund
• mediumCVE-2026-48934: A flaw in Node.js TLS host verification can cause an attacker to bypass certification validati…nvd
• unknownNode.js Multiple Vulnerabilitieshkcert

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