CVE-2026-56850
CVSS Score
4.1
EPSS Score
0.0%
EPSS Percentile
0th
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**.
| CWE | CWE-287 |
| Vendor | nodejs |
| Product | node |
| Ecosystems | |
| Industries | Technology |
| Published | Jul 30, 2026 |
| Last Updated | Jul 30, 2026 |
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CVSS v3 Breakdown
CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N Affected Versions
nodejs / node
26.5.0 ≤ 26.5.0 24.18.0 ≤ 24.18.0 22.23.1 ≤ 22.23.1