Foreman RCE: SafeMode Templating Bypass
CVE-2026-96658 Published on October 1, 2026
Foreman: safemode bypass leading to rce
A flaw was found in Foreman. An authenticated attacker with low-level permissions can achieve remote code execution (RCE) by bypassing the safemode sandbox within the templating engine. Due to improper handling of delegated methods, an attacker can append unauthorized functions to the allowed execution list, enabling them to run arbitrary commands on the hosting server.
Vulnerability Analysis
CVE-2026-96658 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Timeline
Reported to Red Hat.
Made public. 16 days later.
Weakness Type
What is a Code Injection Vulnerability?
The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
CVE-2026-96658 has been classified to as a Code Injection vulnerability or weakness.
Products Associated with CVE-2026-96658
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Affected Versions
Red Hat Satellite 6.19 for RHEL 9:- Version 0:3.18.0.14-1.el9sat and below * is unaffected.