{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-110744", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-10-14T16:21:43.885Z", "datePublished": "2026-10-21T17:52:40.314Z", "dateUpdated": "2026-10-21T17:52:40.314Z"}, "containers": {"cna": {"title": "Multicluster-global-hub-operator-bundle: operator serviceaccount granted unrestricted impersonation of users, groups and serviceaccounts cluster-wide", "metrics": [{"other": {"content": {"value": "Important", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A flaw was found in multicluster-global-hub-operator-bundle. The operator is configured with overly broad role-based access control (RBAC) permissions that grant cluster-wide impersonation of arbitrary users, groups, and service accounts without restriction. An attacker who compromises the operator or obtains its service account credentials can exploit this flaw to achieve privilege escalation, gaining full administrative control over the cluster."}], "affected": [{"vendor": "Red Hat", "product": "Multicluster Global Hub", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "multicluster-globalhub/multicluster-globalhub-operator-bundle", "defaultStatus": "unknown", "cpes": ["cpe:/a:redhat:multicluster_globalhub"]}], "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-110744", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2523007", "name": "RHBZ#2523007", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2026-10-21T14:11:29.722Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-269", "description": "Improper Privilege Management", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-269: Improper Privilege Management", "workarounds": [{"lang": "en", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}], "timeline": [{"lang": "en", "time": "2026-08-24T19:23:27.000Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-10-21T14:11:29.722Z", "value": "Made public."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-10-21T17:52:40.314Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

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{"affected": [{"affectedData": [{"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:multicluster_globalhub"], "defaultStatus": "unknown", "packageName": "multicluster-globalhub/multicluster-globalhub-operator-bundle", "product": "Multicluster Global Hub", "vendor": "Red Hat"}], "source": "secalert@redhat.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in multicluster-global-hub-operator-bundle. The operator is configured with overly broad role-based access control (RBAC) permissions that grant cluster-wide impersonation of arbitrary users, groups, and service accounts without restriction. An attacker who compromises the operator or obtains its service account credentials can exploit this flaw to achieve privilege escalation, gaining full administrative control over the cluster."}], "id": "CVE-2026-110744", "lastModified": "2026-10-22T15:25:35.333", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 5.9, "source": "secalert@redhat.com", "type": "Primary"}]}, "published": "2026-10-21T18:17:23.350", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2026-110744"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2523007"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-269"}], "source": "secalert@redhat.com", "type": "Primary"}]}

{"bugzilla": {"description": "multicluster-global-hub-operator-bundle: Operator ServiceAccount granted unrestricted impersonation of users, groups and serviceaccounts cluster-wide", "id": "2523007", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2523007"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.2", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-269", "details": ["A flaw was found in multicluster-global-hub-operator-bundle. The operator is configured with overly broad role-based access control (RBAC) permissions that grant cluster-wide impersonation of arbitrary users, groups, and service accounts without restriction. An attacker who compromises the operator or obtains its service account credentials can exploit this flaw to achieve privilege escalation, gaining full administrative control over the cluster."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-110744", "package_state": [{"cpe": "cpe:/a:redhat:multicluster_globalhub", "fix_state": "Under investigation", "package_name": "multicluster-globalhub/multicluster-globalhub-operator-bundle", "product_name": "Multicluster Global Hub"}], "public_date": "2026-10-21T14:11:29Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-110744\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-110744"], "statement": "This vulnerability is rated as an Important impact because overly broad impersonation permissions allow complete cluster takeover if the operator identity is compromised. In standard Red Hat Multicluster Global Hub deployments, exploiting this flaw requires high initial privileges to breach the operator deployment or steal its service account credentials. Once compromised, the lack of resource name restrictions enables elevation to administrative groups such as system:masters, bypassing Kubernetes role-based access control boundaries.", "threat_severity": "Important"}

{"created": "2026-10-21T23:00:20.019551+00:00", "updated": "2026-10-22T02:15:15.142500+00:00", "vendors": []}