CVE•Published 2026-07-30•Modified 2026-07-30•0 articles on news•4 live references•NVD data

CVE-2026-56850

Vulnerability data via NVD (ingested)

CVSS v3.1

4.1

MEDIUM

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

EPSS percentile

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Weaknesses (CWE)

CWE-287Improper Authentication

Description

A flaw in Node.js HTTPS Agent connection reuse can cause PFX object-array key collisions, allowing mutual TLS (mTLS) client identities to be reused across requests configured with different client certificates. This vulnerability affects Node.js **26.x**, **24.x**, and **22.x**.

Timeline

Published 2026-07-30

Modified 2026-07-30

External references

NVD MITRE Exploit-DB VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-56850

Hosts Shodan has explicitly fingerprinted as vulnerable.

More intel sources (5)

Shodan report

vuln:CVE-2026-56850

Country / ASN / product breakdown for the vuln query.

Censys

vulnerabilities.cve_id: CVE-2026-56850

Censys host search filtered to this CVE id.

grep.app

CVE-2026-56850