CVE-2026-48930

Advisory lineage Upstream: 0 Downstream: 23
PUBLISHED
Published: 26 Jun 2026, 01:14
Last modified:26 Jun 2026, 13:37

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.6 MEDIUM
v3.0 (cve.org)
EPSS Score
0.4% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

26 Jun 2026, 01:14
Published
Vulnerability first disclosed
26 Jun 2026, 13:37
Last Modified
Vulnerability information updated

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**.

CVSS Metrics

  • v3.0•MEDIUM•Score: 5.6CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS Trends

Current EPSS score: 0.40%• Percentile: 32%

Techniques & Countermeasures

  • CWE-284•Improper Access Control

    The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Affected Systems

  • nodejs•node

    22.22.3 | 24.16.0 | 26.3.0

References (1)