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{"affected": [{"affectedData": [{"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:acm:2"], "defaultStatus": "affected", "packageName": "rhacm2/multicloud-integrations-rhel9", "product": "Red Hat Advanced Cluster Management for Kubernetes 2", "vendor": "Red Hat"}], "source": "secalert@redhat.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in multicloud-integrations, a component of Red Hat Advanced Cluster Management (RHACM). This vulnerability allows an authenticated user, referred to as a tenant, to manipulate the GitOpsCluster controller. By exploiting this, a tenant can redirect sensitive spoke cluster bearer tokens from secure locations to a namespace they control. This unauthorized access to tokens can lead to the disclosure of critical information and bypass security policies within ArgoCD AppProjects."}], "id": "CVE-2026-70398", "lastModified": "2026-08-12T02:16:38.060", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 5.8, "source": "secalert@redhat.com", "type": "Primary"}]}, "published": "2026-08-12T02:16:38.060", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2026-70398"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2514228"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-441"}], "source": "secalert@redhat.com", "type": "Primary"}]}

{"bugzilla": {"description": "multicloud-integrations: multicloud-integrations: GitOpsCluster.spec.argoServer.argoNamespace writes spoke bearer tokens to attacker-chosen namespace", "id": "2514228", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2514228"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.6", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-441", "details": ["A flaw was found in multicloud-integrations, a component of Red Hat Advanced Cluster Management (RHACM). This vulnerability allows an authenticated user, referred to as a tenant, to manipulate the GitOpsCluster controller. By exploiting this, a tenant can redirect sensitive spoke cluster bearer tokens from secure locations to a namespace they control. This unauthorized access to tokens can lead to the disclosure of critical information and bypass security policies within ArgoCD AppProjects."], "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-2026-70398", "package_state": [{"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Affected", "package_name": "rhacm2/multicloud-integrations-rhel9", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}], "public_date": "2026-08-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-70398\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-70398"], "statement": "Critical: A flaw in Red Hat Advanced Cluster Management's multicloud-integrations component allows a tenant to exfiltrate spoke cluster bearer tokens. This is due to the GitOpsCluster controller writing secrets to an attacker-chosen namespace, bypassing existing security guards, leading to privilege escalation and circumvention of ArgoCD AppProject constraints.", "threat_severity": "Critical"}

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