Red Hat Satellite 6.16 for RHEL 8 vulnerability

A flaw was found in Foreman. This vulnerability allows an authenticated remote attacker with low-level read permissions to achieve arbitrary code execution on the underlying server. By manipulating the permitted methods list within the template rendering engine, an attacker can bypass the safemode sandbox isolation and execute unauthorized commands directly on the host system.

Published 1 Oct 2026Updated 18 Oct 20267 sources
CVSS 8.8

What happened

A flaw was found in Foreman. This vulnerability allows an authenticated remote attacker with low-level read permissions to achieve arbitrary code execution on the underlying server. By manipulating the permitted methods list within the template rendering engine, an attacker can bypass the safemode sandbox isolation and execute unauthorized commands directly on the host system.

Affected versions

Red Hat Satellite 6.16 for RHEL 8: 6.16 through before 6.16.4; 6.17 through before 6.17.12; 6.19 through before 6.19.5; before 2.0.1; 6.18 through before 6.18.10 Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

No public PoC reference has passed the current publication threshold.