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**.
References (1)
Core 1
Scores
CVSS v3
4.1
EPSS
0.0008
EPSS Percentile
0.2%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-287
Status
published
Products (3)
nodejs/node
22.23.1
nodejs/node
24.18.0
nodejs/node
26.5.0
Published
Jul 30, 2026
Tracked Since
Jul 30, 2026