CVE-2026-9804

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"collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:container_native_virtualization:4.21::el9"], "vendor": "Red Hat", "product": "Red Hat Container Native Virtualization 4.21", "versions": [{"status": "unaffected", "version": "1782012918", "lessThan": "*", "versionType": "rpm"}], "packageName": "container-native-virtualization/virt-exportserver-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:container_native_virtualization:4"], "vendor": "Red Hat", "product": "Red Hat OpenShift Virtualization 4", "packageName": "container-native-virtualization/virt-exportserver", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}]}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "affectedData": [{"cpes": ["cpe:/a:redhat:container_native_virtualization:4.17::el9"], "vendor": "Red Hat", 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"versionType": "rpm"}], "packageName": "container-native-virtualization/virt-exportserver-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:container_native_virtualization:4.20::el9"], "vendor": "Red Hat", "product": "Red Hat Container Native Virtualization 4.20", "versions": [{"status": "unaffected", "version": "1781838712", "lessThan": "*", "versionType": "rpm"}], "packageName": "container-native-virtualization/virt-exportserver-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:container_native_virtualization:4.21::el9"], "vendor": "Red Hat", "product": "Red Hat Container Native Virtualization 4.21", "versions": [{"status": "unaffected", "version": "1782012918", "lessThan": "*", "versionType": "rpm"}], "packageName": "container-native-virtualization/virt-exportserver-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:container_native_virtualization:4"], "vendor": "Red Hat", "product": "Red Hat OpenShift Virtualization 4", "packageName": "container-native-virtualization/virt-exportserver", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}]}], "published": "2026-05-28T09:16:49.500", "references": [{"url": "https://access.redhat.com/errata/RHSA-2026:27903", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:27913", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:27914", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:27983", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:28002", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-9804", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482487", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:27903", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:27913", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:27914", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:27983", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:28002", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-9804", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482487", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-9804.json", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-59"}]}, {"type": "Secondary", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "description": [{"lang": "en", "value": "CWE-59"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in KubeVirt's virt-exportserver component. An attacker with specific namespace-level access can exploit a path traversal vulnerability in the VMExport directory endpoint. By placing a symbolic link (symlink) within an exported filesystem Persistent Volume Claim (PVC) that points outside its designated mount root, the attacker can read arbitrary files from the exporter pod's filesystem. This leads to information disclosure, potentially exposing sensitive data."}, {"lang": "es", "value": "Se encontr\u00f3 una falla en el componente virt-exportserver de KubeVirt. Un atacante con acceso espec\u00edfico a nivel de namespace puede explotar una vulnerabilidad de salto de ruta en el endpoint de directorio VMExport. Al colocar un enlace simb\u00f3lico (symlink) dentro de un Persistent Volume Claim (PVC) de sistema de archivos exportado que apunta fuera de su ra\u00edz de montaje designada, el atacante puede leer archivos arbitrarios del sistema de archivos del pod exportador. Esto conduce a la revelaci\u00f3n de informaci\u00f3n, exponiendo potencialmente datos sensibles."}], "lastModified": "2026-10-26T11:10:00.157", "sourceIdentifier": "secalert@redhat.com"}