MEDIUM 4.1 NVD

CVE-2026-56850

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 reque

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**.

References

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

Published: 2026-07-30 · Source: NVD · Feed updated: 2026-08-04

This medium severity vulnerability with a CVSS score of 4.1 was published on 2026-07-30 via NVD.

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