Dashboard / CVE-2026-56850

CVE-2026-56850

MEDIUM
MEDIUM Priority: 0.00 BB Relevance: 29/100
Published: 2026-07-30 Modified: 2026-10-23 First seen: 2026-10-29 Status: active

Attack Surface

Low Complexity No Interaction Integ. Impact

CVSS Vector Breakdown

AV: Local
AC: Low
PR: High
UI: None
S: Unchanged
C: None
I: High
A: None

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**.

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
nodejs node.js 22.0 – 22.23.1
nodejs node.js 24.0.0 – 24.18.0
nodejs node.js 26.0.0 – 26.5.0

References & Advisories (1)

Bug Bounty Relevance

29 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

4.4 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

EPSS — Exploitation Probability

0.08%
Raw Score 0.000840
Percentile 0.2%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00084
2026-10-28
0.00084

Intelligence Sources

nvd ref →

External Links