High7.5Red Hat Linux

High [CVE-2026-4660] Arbitrary file reads via maliciously crafted URL

This high-severity Red Hat Linux advisory covers CVE-2026-4660 affecting Red Hat Trusted Artifact Signer 1.3, Red Hat OpenShift Container Platform 4.

CVE-2026-4660 Published Apr 9, 2026

CVE-2026-4660

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

Arbitrary file reads via maliciously crafted URL. Red Hat rates this important (CVSS 7.5).

Weakness: CWE-22. Affected package(s): rhtas/client-server-rhel9:1780399582.

Resolved in Red Hat advisory RHSA-2026:24478 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Trusted Artifact Signer 1.3; Red Hat OpenShift Container Platform 4.

Affected versions

rhtas/client-server-rhel9:1780399582

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

RHSA-2026:24478

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Update the affected package(s) to the fixed version shipped in RHSA-2026:24478 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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