CVE-2026-5136

Red Hat · Red Hat Satellite

A security vulnerability has been identified in the Foreman component of Red Hat Satellite 6.16 for RHEL 8, which could lead to unauthorized system access.

Executive summary

A high-severity flaw within the Foreman component of Red Hat Satellite 6.16 presents a risk of unauthorized access to critical infrastructure management systems.

Vulnerability

The vulnerability resides in the Foreman component integrated into Red Hat Satellite 6.16 for RHEL 8. It involves a flaw that may permit unauthorized operations, necessitating a prompt investigation into the current patch status of the Satellite server.

Business impact

With a CVSS score of 8.8, this vulnerability poses a severe threat to the integrity of the enterprise patch management environment. Exploitation could allow an attacker to gain control over managed systems, facilitate supply chain attacks, or manipulate system configurations, leading to widespread service degradation.

Remediation

Immediate Action: Review the Red Hat Security Advisory (RHSA) and apply the latest errata updates for Satellite 6.16 to patch the Foreman component.

Proactive Monitoring: Audit logs within the Satellite/Foreman interface for unauthorized task executions or unexpected configuration changes.

Compensating Controls: Restrict administrative access to the Satellite management console to a limited set of trusted internal IP addresses and enforce multi-factor authentication.

Exploitation status

Public Exploit Available: false

Analyst recommendation

Red Hat Satellite is a central component of infrastructure management; therefore, this vulnerability must be remediated immediately. Administrators should apply the relevant security patches to ensure the continued security and integrity of the managed RHEL ecosystem.