{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-64927","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","state":"PUBLISHED","assignerShortName":"redhat","dateReserved":"2026-08-11T17:40:07.973Z","datePublished":"2026-08-12T01:12:08.474Z","dateUpdated":"2026-09-05T17:07:35.199Z"},"containers":{"cna":{"title":"Multicloud-operators-channel: multicloud-operators-channel: cross-namespace secret and configmap mutation via spec.secretref.namespace confused deputy","metrics":[{"other":{"content":{"value":"Moderate","namespace":"https://access.redhat.com/security/updates/classification/"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","version":"3.1"},"format":"CVSS"}],"descriptions":[{"lang":"en","value":"A flaw was found in the multicloud-operators-channel component. This vulnerability allows a user with specific permissions to manipulate how the system handles sensitive information, known as Secrets, across different parts of the system (namespaces). By exploiting this, an attacker can modify these Secrets in unauthorized areas. This could lead to unauthorized access to information or elevated privileges within the system."}],"affected":[{"vendor":"Red Hat","product":"Red Hat Advanced Cluster Management for Kubernetes 2.11","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"rhacm2/multicluster-operators-channel-rhel9","defaultStatus":"affected","versions":[{"version":"1787260663","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:acm:2.11::el9"]},{"vendor":"Red Hat","product":"Red Hat Advanced Cluster Management for Kubernetes 2.13","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"rhacm2/multicluster-operators-channel-rhel9","defaultStatus":"affected","versions":[{"version":"1787259310","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:acm:2.13::el9"]},{"vendor":"Red Hat","product":"Red Hat Advanced Cluster Management for Kubernetes 2.14","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"rhacm2/multicluster-operators-channel-rhel9","defaultStatus":"affected","versions":[{"version":"1787172840","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:acm:2.14::el9"]},{"vendor":"Red Hat","product":"Red Hat Advanced Cluster Management for Kubernetes 2.15","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"rhacm2/multicluster-operators-channel-rhel9","defaultStatus":"affected","versions":[{"version":"1787238600","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:acm:2.15::el9"]},{"vendor":"Red Hat","product":"Red Hat Advanced Cluster Management for Kubernetes 2.16","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"rhacm2/multicluster-operators-channel-rhel9","defaultStatus":"affected","versions":[{"version":"1787242105","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:acm:2.16::el9"]},{"vendor":"Red Hat","product":"Red Hat Advanced Cluster Management for Kubernetes 2.17","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"rhacm2/multicluster-operators-channel-rhel9","defaultStatus":"affected","versions":[{"version":"1787242099","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:acm:2.17::el9"]}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:60386","name":"RHSA-2026:60386","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:60387","name":"RHSA-2026:60387","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:60388","name":"RHSA-2026:60388","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:60389","name":"RHSA-2026:60389","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:60390","name":"RHSA-2026:60390","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:60391","name":"RHSA-2026:60391","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-64927","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2514229","name":"RHBZ#2514229","tags":["issue-tracking","x_refsource_REDHAT"]}],"datePublic":"2026-08-11T00:00:00.000Z","problemTypes":[{"descriptions":[{"cweId":"CWE-639","description":"Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}]}],"x_redhatCweChain":"CWE-639: Authorization Bypass Through User-Controlled Key","workarounds":[{"lang":"en","value":"Restrict the creation of `Channel` resources to trusted administrators within Red Hat Advanced Cluster Management. This limits the attack surface by preventing unauthorized tenants from exploiting the confused deputy vulnerability in the `multicloud-operators-channel` component."}],"timeline":[{"lang":"en","time":"2026-08-11T00:00:00.000Z","value":"Reported to Red Hat."},{"lang":"en","time":"2026-08-11T00:00:00.000Z","value":"Made public."}],"providerMetadata":{"orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat","dateUpdated":"2026-09-05T17:07:35.199Z"},"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-12T15:08:50.881307Z","id":"CVE-2026-64927","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-12T16:57:43.646Z"}}]}}