Auth bypass in Theforeman Foreman
CVE-2026-12112
A flaw was found in the foreman-mcp-server. A session management vulnerability in the MCP Server allows unauthenticated attackers to hijack active administrative sessions due to an improper cache of authenticated client connections, by tru…
Vulnerability class: Broken Authentication
EPSS: 0.002 (4.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Theforeman Foreman
- Red Hat Satellite 6
- Red Hat Satellite 6.18 — versions 1782228427
- Red Hat Satellite 6.19 — versions 1782228692
- Redhat Satellite — versions 6.19
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, Third Party Advisory, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
Frequently asked questions
- What is CVE-2026-12112?
- CVE-2026-12112 is a high-severity vulnerability in Theforeman Foreman, classified under Improper Authentication. CVSS score: 7.8/10. Published 2026-06-23.
- How severe is CVE-2026-12112?
- High severity. CVSS v3 base score is 7.8 out of 10.