{ "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": "2026-07-16T12:04:38.063Z" }, "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 6.18", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "satellite/foreman-mcp-server-rhel9", "defaultStatus": "affected", "versions": [ { "version": "1782228427", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:satellite:6.18::el9" ] }, { "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-2026:28405", "name": "RHSA-2026:28405", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "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": "2026-07-15T14:19:41.352Z" }, "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": [ { "collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": [ "cpe:/a:redhat:satellite:6.18::el9" ], "defaultStatus": "affected", "packageName": "satellite/foreman-mcp-server-rhel9", "product": "Red Hat Satellite 6.18", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "1782228427", "versionType": "rpm" } ] }, { "collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": [ "cpe:/a:redhat:satellite:6.19::el9" ], "defaultStatus": "affected", "packageName": "satellite/foreman-mcp-server-rhel9", "product": "Red Hat Satellite 6.19", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "1782228692", "versionType": "rpm" } ] } ], "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-2026:28405" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:28438" } ], "solutions": [ { "lang": "en", "value": "RHSA-2026:28405: Red Hat Satellite 6.18" }, { "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": "2026-07-16T12:04:38.063Z" } } ] } }