🛡️ CVE-2026-48930 on Debian — nodejs

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Distribution advisory

This page covers CVE-2026-48930 as tracked by Debian, for the package nodejs. The fix is available in version 24.17.0+dfsg+~cs24.13.2-1; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Affected software

DEBIAN-CVE-2026-48930 is recorded against 1 package.

  • nodejs (fixed in 24.17.0+dfsg+~cs24.13.2-1)

Timeline and source

Published on 26 June 2026 and last revised on 4 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

security-tracker.debian.org (Advisory)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-06-26
Updated 2026-08-12
Modified 2026-08-04
Fix URL N/A

Affected Packages

Software From version Fixed in
nodejs — 24.17.0+dfsg+~cs24.13.2-1

Exploit Protection

Are you running nodejs?

DEBIAN-CVE-2026-48930 carries CVSS 9.8 Critical rating. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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