High8.6Red Hat & Ubuntu Linux

Server-Side Request Forgery via crafted WebSocket upgrade requests

CVE-2026-44578 Published May 13, 2026

CVE-2026-44578

Affected products & platforms

Red Hat & Ubuntu LinuxUnclassified

Summary

Server-Side Request Forgery via crafted WebSocket upgrade requests. Red Hat rates this important (CVSS 8.6). Weakness: CWE-918. Affected package(s): next. Resolved in Red Hat advisory RHSA-2026:34608 — update the affected packages (`sudo dnf update`).

Affected versions

Official advisory · high-confidence parse· fetched 5 hours ago·verify at source

Fixed versions

RHSA-2026:34608

Official advisory · high-confidence parse· fetched 5 hours ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Update the affected package(s) to the fixed version shipped in RHSA-2026:34608 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 5 hours ago·verify at source

Discussion(0)

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