CVE-2026-5136

{"id": "CVE-2026-5136", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-5136", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-07-01T00:00:00+00:00"}}], "cvssMetricV31": [{"type": "Secondary", "source": "secalert@redhat.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "affected": [{"source": "secalert@redhat.com", "affectedData": [{"cpes": ["cpe:/a:redhat:satellite:6.16::el8", "cpe:/a:redhat:satellite:6.16::el9", "cpe:/a:redhat:satellite_capsule:6.16::el8", "cpe:/a:redhat:satellite_capsule:6.16::el9", "cpe:/a:redhat:satellite_maintenance:6.16::el8", "cpe:/a:redhat:satellite_maintenance:6.16::el9", "cpe:/a:redhat:satellite_utils:6.16::el8", "cpe:/a:redhat:satellite_utils:6.16::el9"], "vendor": "Red Hat", "product": "Red Hat Satellite 6.16 for RHEL 8", "versions": [{"status": "unaffected", "version": "0:3.12.0.17-1.el8sat", "lessThan": "*", "versionType": "rpm"}], "packageName": "foreman", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:satellite:6.16::el8", "cpe:/a:redhat:satellite:6.16::el9", "cpe:/a:redhat:satellite_capsule:6.16::el8", "cpe:/a:redhat:satellite_capsule:6.16::el9", "cpe:/a:redhat:satellite_maintenance:6.16::el8", "cpe:/a:redhat:satellite_maintenance:6.16::el9", "cpe:/a:redhat:satellite_utils:6.16::el8", "cpe:/a:redhat:satellite_utils:6.16::el9"], "vendor": "Red Hat", "product": "Red Hat Satellite 6.16 for RHEL 9", "versions": [{"status": "unaffected", "version": "0:3.12.0.17-1.el9sat", "lessThan": "*", "versionType": "rpm"}], "packageName": "foreman", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:satellite:6.17::el9", "cpe:/a:redhat:satellite_capsule:6.17::el9", "cpe:/a:redhat:satellite_maintenance:6.17::el9", "cpe:/a:redhat:satellite_utils:6.17::el9"], "vendor": "Red Hat", "product": "Red Hat Satellite 6.17 for RHEL 9", "versions": [{"status": "unaffected", "version": "0:3.14.0.17-1.el9sat", "lessThan": "*", "versionType": "rpm"}], "packageName": "foreman", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:satellite:6.18::el9", "cpe:/a:redhat:satellite_capsule:6.18::el9", "cpe:/a:redhat:satellite_utils:6.18::el9"], "vendor": "Red Hat", "product": "Red Hat Satellite 6.18 for RHEL 9", "versions": [{"status": "unaffected", "version": "0:3.16.0.17-1.el9sat", "lessThan": "*", "versionType": "rpm"}], "packageName": "foreman", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:satellite:6.19::el9", "cpe:/a:redhat:satellite_capsule:6.19::el9", "cpe:/a:redhat:satellite_maintenance:6.19::el9", "cpe:/a:redhat:satellite_utils:6.19::el9"], "vendor": "Red Hat", "product": "Red Hat Satellite 6.19 for RHEL 9", "versions": [{"status": "unaffected", "version": "0:3.18.0.7-1.el9sat", "lessThan": "*", "versionType": "rpm"}], "packageName": "foreman", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:satellite:6"], "vendor": "Red Hat", "product": "Red Hat Satellite 6", "packageName": "satellite-capsule:el8/foreman", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}]}], "published": "2026-07-01T14:16:47.277", "references": [{"url": "https://access.redhat.com/errata/RHSA-2026:34365", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:34366", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:34367", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:34368", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-5136", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2452970", "tags": ["Issue Tracking", "Vendor Advisory"], "source": "secalert@redhat.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-266"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-07-09T02:39:36.490", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:redhat:satellite:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "878EADE5-65A0-45A8-A8A9-E01B59510745", "versionEndExcluding": "6.16.10", "versionStartIncluding": "6.16"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:redhat:satellite:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E4F23367-8065-4400-9346-2DDAC9718C1F", "versionEndExcluding": "6.17.9", "versionStartIncluding": "6.17"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:redhat:satellite:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "38DDD3BD-13AA-48BA-8404-B906C2BE3395", "versionEndExcluding": "6.18.7", "versionStartIncluding": "6.18"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:redhat:satellite:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8698362F-3FF7-4B48-B799-722E2143DBFD", "versionEndExcluding": "6.19.2", "versionStartIncluding": "6.19"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:theforeman:foreman:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CC9CCF49-E31C-4087-B1E2-45FE2DAE1BFF", "versionEndExcluding": "3.18.2"}, {"criteria": "cpe:2.3:a:theforeman:foreman:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A63B3B6B-B05A-49CC-8694-1D357171773F", "versionEndExcluding": "3.19.1", "versionStartIncluding": "3.19.0"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}