CVE-2026-56850
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.1epss 0.1%
exploitation probability
0.1%top 100% of all CVEs
observed exploitation
nono source reports it
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**.
CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N
Affected products
nodejs · node