CVE-2026-5136 Foreman: foreman: privilege escalation to administrator-level access via usergroup role assignment manipulation
Authenticated users with usergroup management permissions can escalate to administrator access by manipulating role assignments in Foreman.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-5136?
CVE-2026-5136 is a high-severity vulnerability in Redhat Satellite, published on 1 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A flaw was found in Foreman. The Usergroup model in Foreman does not properly validate role assignments against the calling user's permissions. This allows an authenticated user with usergroup management permissions to attach arbitrary roles, including administrative roles, to a user group and then add themselves as a member. Successful exploitation of this vulnerability leads to full privilege escalation, granting the attacker administrator-level access.
Weakness: CWE-266
Which versions are affected by CVE-2026-5136?
It affects 2 products.
Products include Redhat Satellite, Theforeman Foreman.
How do I fix CVE-2026-5136?
Apply the vendor's patch.
Is CVE-2026-5136 being exploited?
There is no known exploitation of CVE-2026-5136 in the wild and no public exploit code.
Other vulnerabilities in Redhat Satellite
- CVE-2024-7012 Puppet-foreman: an authentication bypass vulnerability exists in foreman
- CVE-2024-7923 Puppet-pulpcore: an authentication bypass vulnerability exists in pulpcore
- CVE-2026-96659 Foreman: excessive permissions for viewer role on preview
- CVE-2023-0118 Foreman: arbitrary code execution through templates
- CVE-2008-2369 Hardcoded credentials in n/a
Sources
Also known as GHSA-fpxf-rppp-4373.