medium4.4
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 requ…
Impact
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**.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Nodejs | Node.Js | from 22.0 through 22.23.1 from 24.0.0 through 24.18.0 from 26.0.0 through 26.5.0 |