CVE Watchtower

CVE-2026-48930NVD

Vulnerability Summary

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 Level

MEDIUM(5.6)

Published Date

Jun 26, 2026

Last Modified

Jun 26, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

Data Pending

Root Weakness (CWE)

CWE-284: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v3.0 Base Metrics

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

ConfidentialityLow

IntegrityLow

AvailabilityLow

External References

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

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CVE-2026-48930NVD

Vulnerability Summary

External References