CVE Watchtower

CVE-2026-48619NVD

Vulnerability Summary

A flaw in Node.js HTTP/2 client allows a server to send an unlimited number of ORIGIN frames, which could lead to an Out of Memory error on the client.

This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.

Severity Level

MEDIUM(5.3)

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-400: Unknown/Unlisted Weakness ↗

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

CVSS v3.0 Base Metrics

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

ConfidentialityNone

IntegrityNone

AvailabilityLow

External References

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

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Critical Alert 2 Active Exploits Detected Today

CVE-2026-48619NVD

Vulnerability Summary

External References