CVE-2026-48930

critical · 9.8

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**.

9.8

CVSS

0.3%

EPSS (exploit prob.)

26th

EPSS percentile

2026-06-26

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-284

Affected products

Vendor	Product	Affected versions
nodejs	node.js	22.22.3
nodejs	node.js	24.16.0
nodejs	node.js	26.3.0

Check a specific version with /api/v1/cve/match.

References

https://nodejs.org/en/blog/vulnerability/june-2026-security-releases

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-48930