High8.0Red Hat Linux

High [CVE-2026-1961] Remote Code Execution via command injection in WebSocket proxy

This high-severity Red Hat Linux advisory covers CVE-2026-1961 affecting Red Hat Satellite 6.16 for RHEL 8, Red Hat Satellite 6.16 for RHEL 9, Red Hat Satellite 6.17 for RHEL 9.

CVE-2026-1961 Published Mar 26, 2026

CVE-2026-1961

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

Remote Code Execution via command injection in WebSocket proxy. Red Hat rates this important (CVSS 8).

Weakness: CWE-78. Affected package(s): foreman, rubygem-katello, rubygem-fog-kubevirt, python-pulp-container, python-pulp-rpm, python-django.

Resolved in Red Hat advisory RHSA-2026:5968 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Satellite 6.16 for RHEL 8; Red Hat Satellite 6.16 for RHEL 9; Red Hat Satellite 6.17 for RHEL 9; Red Hat Satellite 6.18 for RHEL 9.

Affected versions

foreman-0:3.14.0.14-1.el9sat
foreman-0:3.16.0.12-1.el9sat
rubygem-katello-0:4.16.0.14-1.el9sat
rubygem-fog-kubevirt-0:1.5.1-1.el9sat
python-pulp-container-0:2.22.3-1.el9pc
python-pulp-rpm-0:3.27.10-2.el9pc
python-django-0:4.2.28-0.1.el9pc
rubygem-rubyipmi-0:0.13.0-1.el9sat
satellite-0:6.17.7-1.el9sat
foreman-0:3.12.0.14-1.el9sat
libcomps-0:0.1.23-0.3.el9pc
foreman-0:3.12.0.14-1.el8sat

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

Fixed versions

RHSA-2026:5968

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-2026:5968 (`sudo dnf update` / `yum update`).

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

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