CVE-2026-56850
Publication date 30 July 2026
Last updated 7 August 2026
Ubuntu priority
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**.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| nodejs | 26.04 LTS resolute |
Needs evaluation
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 18.04 LTS bionic |
Needs evaluation
|
|
| 14.04 LTS trusty |
Needs evaluation
|
Severity score breakdown
CVSS version: CVSS v3.0
Base score
4.1 · Medium
Vector: CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N