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CVE-2026-12112

Foreman-mcp-server: mcp server: active session hijacking via insecure session state reuse

CVSS 7.8 HIGHEPSS 0.1%CWE-287
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 7.8EPSS 0.1%KEV nãoPoC Nuclei Metasploit Patch referenciado
Lifecycle
23 Jun 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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 trusting a non-secret session ID without re-validating authentication tokens and by logging all newly created session IDs to standard logs. This issue can result in privilege escalation and infrastructure-wide code execution.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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