CVE-2026-48930
Published: June 20, 2026Last modified: July 7, 2026
Description
A flaw in Node.js TLS hostname handling can cause Embedded-nul hostnames can lead to silent authority rebinding due to c-string truncation in resolver bindings. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.8 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | nodejs | Unknown (18.16.0-r0) |
| 25 LTS | nodejs | Fixed (22.23.0-r0) | |
| Stream | nodejs | Fixed (24.17.0-r0) | |
| Hardened Containers | 23 LTS | nodejs | Unknown (18.16.0-r0) |
| 25 LTS | nodejs | Fixed (22.23.0-r0) | |
| Stream | nodejs | Fixed (24.17.0-r0) |