{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-12112","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","state":"PUBLISHED","assignerShortName":"redhat","dateReserved":"2026-06-12T14:41:26.279Z","datePublished":"2026-06-23T19:40:51.360Z","dateUpdated":"2026-06-30T12:06:53.879Z"},"containers":{"cna":{"title":"Foreman-mcp-server: mcp server: active session hijacking via insecure session state reuse","metrics":[{"other":{"content":{"value":"Important","namespace":"https://access.redhat.com/security/updates/classification/"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS"}],"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Red Hat","product":"Red Hat Satellite 6.19","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"satellite/foreman-mcp-server-rhel9","defaultStatus":"affected","versions":[{"version":"1782228692","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:satellite:6.19::el9"]}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:28438","name":"RHSA-2026:28438","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-12112","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2488031","name":"RHBZ#2488031","tags":["issue-tracking","x_refsource_REDHAT"]}],"datePublic":"2026-06-23T14:31:23.576Z","problemTypes":[{"descriptions":[{"cweId":"CWE-287","description":"Improper Authentication","lang":"en","type":"CWE"}]}],"x_redhatCweChain":"CWE-287: Improper Authentication","workarounds":[{"lang":"en","value":"Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible."}],"timeline":[{"lang":"en","time":"2026-05-06T00:00:00.000Z","value":"Reported to Red Hat."},{"lang":"en","time":"2026-06-23T14:31:23.576Z","value":"Made public."}],"credits":[{"lang":"en","value":"This issue was discovered by Laura Pardo (Red Hat) and Toni Gornals (Red Hat)."}],"providerMetadata":{"orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat","dateUpdated":"2026-06-24T01:41:36.307Z"},"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-25T12:46:05.913416Z","id":"CVE-2026-12112","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-06-25T12:46:15.753Z"}},{"affected":[{"cpes":["cpe:/a:redhat:satellite:6.19::el9"],"defaultStatus":"affected","product":"Red Hat Satellite 6.19","vendor":"Red Hat"}],"datePublic":"2026-06-23T14:31:23.576Z","descriptions":[{"lang":"en","value":"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."}],"metrics":[{"other":{"content":{"namespace":"https://access.redhat.com/security/updates/classification/","value":"Important"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-287","description":"Improper Authentication","lang":"en","type":"CWE"}]}],"references":[{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-12112"},{"name":"RHBZ#2488031","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2488031"},{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12112.json"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:28438"}],"solutions":[{"lang":"en","value":"RHSA-2026:28438: Red Hat Satellite 6.19"}],"timeline":[{"lang":"en","time":"2026-05-06T00:00:00.000Z","value":"Reported to Red Hat."},{"lang":"en","time":"2026-06-23T14:31:23.576Z","value":"Made public."}],"title":"foreman-mcp-server: MCP Server: Active Session Hijacking via Insecure Session State Reuse","workarounds":[{"lang":"en","value":"Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible."}],"x_adpType":"supplier","x_generator":{"engine":"sadp-cli 1.0.0"},"providerMetadata":{"orgId":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","shortName":"redhat-SADP","dateUpdated":"2026-06-30T12:06:53.879Z"}}]}}