CVE-2026-56850

EUVD-2026-51020
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**.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.4 MEDIUM
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 0.31%
Affected Products (NVD)
VendorProductVersion
nodejsnode.js
22.0 ≤
𝑥
≤ 22.23.1
nodejsnode.js
24.0.0 ≤
𝑥
≤ 24.18.0
nodejsnode.js
26.0.0 ≤
𝑥
≤ 26.5.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
nodejs
bookworm
vulnerable
bookworm (security)
vulnerable
forky
24.20.0+dfsg+~cs24.13.3-2
fixed
sid
24.20.0+dfsg+~cs24.13.3-2
fixed
trixie
vulnerable
trixie (security)
vulnerable
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
nodejs
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
resolute
needs-triage
trusty
needs-triage
xenial
needs-triage
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
nodejs20
suse enterprise sap 15 SP5
20.20.2-150500.11.30.1
fixed
suse enterprise sap 15 SP6
20.20.2-150600.3.21.1
fixed
suse enterprise server 15 SP5
20.20.2-150500.11.30.1
fixed
suse enterprise server 15 SP6
20.20.2-150600.3.21.1
fixed
nodejs20-devel
suse enterprise sap 15 SP5
20.20.2-150500.11.30.1
fixed
suse enterprise sap 15 SP6
20.20.2-150600.3.21.1
fixed
suse enterprise server 15 SP5
20.20.2-150500.11.30.1
fixed
suse enterprise server 15 SP6
20.20.2-150600.3.21.1
fixed
nodejs20-docs
suse enterprise sap 15 SP5
20.20.2-150500.11.30.1
fixed
suse enterprise sap 15 SP6
20.20.2-150600.3.21.1
fixed
suse enterprise server 15 SP5
20.20.2-150500.11.30.1
fixed
suse enterprise server 15 SP6
20.20.2-150600.3.21.1
fixed
nodejs22
suse enterprise sap 15 SP6
22.23.2-150600.13.24.1
fixed
suse enterprise sap 15 SP7
22.23.2-150700.3.18.1
fixed
suse enterprise server 15 SP6
22.23.2-150600.13.24.1
fixed
suse enterprise server 15 SP7
22.23.2-150700.3.18.1
fixed
nodejs22-devel
suse enterprise sap 15 SP6
22.23.2-150600.13.24.1
fixed
suse enterprise sap 15 SP7
22.23.2-150700.3.18.1
fixed
suse enterprise server 15 SP6
22.23.2-150600.13.24.1
fixed
suse enterprise server 15 SP7
22.23.2-150700.3.18.1
fixed
nodejs22-docs
suse enterprise sap 15 SP6
22.23.2-150600.13.24.1
fixed
suse enterprise sap 15 SP7
22.23.2-150700.3.18.1
fixed
suse enterprise server 15 SP6
22.23.2-150600.13.24.1
fixed
suse enterprise server 15 SP7
22.23.2-150700.3.18.1
fixed
nodejs24
suse enterprise sap 15 SP7
24.18.1-150700.15.16.1
fixed
suse enterprise server 15 SP7
24.18.1-150700.15.16.1
fixed
nodejs24-devel
suse enterprise sap 15 SP7
24.18.1-150700.15.16.1
fixed
suse enterprise server 15 SP7
24.18.1-150700.15.16.1
fixed
nodejs24-docs
suse enterprise sap 15 SP7
24.18.1-150700.15.16.1
fixed
suse enterprise server 15 SP7
24.18.1-150700.15.16.1
fixed
npm20
suse enterprise sap 15 SP5
20.20.2-150500.11.30.1
fixed
suse enterprise sap 15 SP6
20.20.2-150600.3.21.1
fixed
suse enterprise server 15 SP5
20.20.2-150500.11.30.1
fixed
suse enterprise server 15 SP6
20.20.2-150600.3.21.1
fixed
npm22
suse enterprise sap 15 SP6
22.23.2-150600.13.24.1
fixed
suse enterprise sap 15 SP7
22.23.2-150700.3.18.1
fixed
suse enterprise server 15 SP6
22.23.2-150600.13.24.1
fixed
suse enterprise server 15 SP7
22.23.2-150700.3.18.1
fixed
npm24
suse enterprise sap 15 SP7
24.18.1-150700.15.16.1
fixed
suse enterprise server 15 SP7
24.18.1-150700.15.16.1
fixed
Amazon Linux logo
Amazon Linux Releases
Amazon Package
Release
nodejs22
Amazon Linux 2023
1:22.23.2-1.amzn2023.0.2
fixed
nodejs22-debuginfo
Amazon Linux 2023
1:22.23.2-1.amzn2023.0.2
fixed
nodejs22-debugsource
Amazon Linux 2023
1:22.23.2-1.amzn2023.0.2
fixed
nodejs22-devel
Amazon Linux 2023
1:22.23.2-1.amzn2023.0.2
fixed
nodejs22-docs
Amazon Linux 2023
1:22.23.2-1.amzn2023.0.2
fixed
nodejs22-full-i18n
Amazon Linux 2023
1:22.23.2-1.amzn2023.0.2
fixed
nodejs22-libs
Amazon Linux 2023
1:22.23.2-1.amzn2023.0.2
fixed
nodejs22-libs-debuginfo
Amazon Linux 2023
1:22.23.2-1.amzn2023.0.2
fixed
nodejs22-npm
Amazon Linux 2023
1:10.9.8-1.22.23.2.1.amzn2023.0.2
fixed
nodejs24
Amazon Linux 2023
1:24.18.1-1.amzn2023.0.2
fixed
nodejs24-debuginfo
Amazon Linux 2023
1:24.18.1-1.amzn2023.0.2
fixed
nodejs24-debugsource
Amazon Linux 2023
1:24.18.1-1.amzn2023.0.2
fixed
nodejs24-devel
Amazon Linux 2023
1:24.18.1-1.amzn2023.0.2
fixed
nodejs24-docs
Amazon Linux 2023
1:24.18.1-1.amzn2023.0.2
fixed
nodejs24-full-i18n
Amazon Linux 2023
1:24.18.1-1.amzn2023.0.2
fixed
nodejs24-libs
Amazon Linux 2023
1:24.18.1-1.amzn2023.0.2
fixed
nodejs24-libs-debuginfo
Amazon Linux 2023
1:24.18.1-1.amzn2023.0.2
fixed
nodejs24-npm
Amazon Linux 2023
1:11.16.0-1.24.18.1.1.amzn2023.0.2
fixed
v8-12.4-devel
Amazon Linux 2023
3:12.4.254.21-1.22.23.2.1.amzn2023.0.2
fixed
v8-13.6-devel
Amazon Linux 2023
3:13.6.233.17-1.24.18.1.1.amzn2023.0.2
fixed
Azure Linux logo
Azure Linux Releases
Azure Package
Release
nodejs
Azure Linux 3.0
0:24.18.1-1.azl3
fixed
Common Weakness Enumeration
References
https://nodejs.org/en/blog/vulnerability/july-2026-security-releases