CVE-2026-56850

mediumpriority · track · 28EPSS 0.001 · 0 %ileexploit · PoCDEEUFRUS
grimoire priorityP1 · Urgent
Exploitable?
Public exploit
1 exploit · PoC
Likely / severe?
0.08% (0th) EPSS
CVSS 4.4 · medium
Is it mine?
21 products
Check your exposure
Who says so?
6 sources
cnnvd · enisa_euvd · osv · cert_bund

EPSS · scored 2026-10-27

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**.

01

cvss

Technical severity, 0–10. One row per scoring source.

4.4
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.14.4mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 0.8 · impact 3.6
v3.04.1mediumCVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:Nsecondary · ENISA EU
v3.04.1mediumCVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:Nsecondary · support@hackerone.comexploitability 0.5 · impact 3.6
v3.14.2mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N/E:Psecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-287US
04

exploits (1)

Public proof-of-concept and weaponised exploit code.

05

affected products (21)

Products and version ranges known to be affected.

showing 20 of 21
06

advisories (5)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2026-2585Node.js: Mehrere SchwachstellenDeutsch2026-07-29csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in Node.js ausnutzen, um einen Denial of Service Angriff durchzuführen, um Sicherheitsvorkehrungen zu umgehen, und um Dateien zu manipulieren.

  • BIT-node-2026-568502026-08-17vendor · osvUS

    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**.

  • BIT-node-min-2026-568502026-08-17vendor · osvUS

    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**.

  • CERTFR-2026-AVI-1345Multiples vulnérabilités dans les produits StormShieldFrançais2026-10-21vendor · certfrFR
  • CERTFR-2026-AVI-1385Multiples vulnérabilités dans les produits VMwareFrançais2026-10-26vendor · certfrFR
07

also known as (5)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdosvcert_bundnvdcertfrNVDCVE.orgMITRE
published 2026-07-30modified 2026-10-23
09

references (3)

External citations — patches, advisories, analysis.

scry

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