{"id":"GO-2026-5564","summary":"Open Cluster Management (OCM): Cross-cluster privilege escalation via improper Kubernetes client certificate renewal validation in open-cluster-management.io/ocm","details":"Open Cluster Management (OCM): Cross-cluster privilege escalation via improper Kubernetes client certificate renewal validation in open-cluster-management.io/ocm","aliases":["CVE-2026-4740","GHSA-q4gv-pjmh-c735"],"modified":"2026-06-25T23:01:31.584689988Z","published":"2026-06-25T22:34:34Z","database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-5564","review_status":"UNREVIEWED"},"references":[{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-q4gv-pjmh-c735"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4740"},{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2026-4740"},{"type":"WEB","url":"https://blog.arfevrier.fr/open-cluster-management-cross-cluster-escape"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2450590"},{"type":"WEB","url":"https://github.com/open-cluster-management-io/ocm/commit/9e70cc1e21a15239c81111062c0b37df4b5a8026"}],"affected":[{"package":{"name":"open-cluster-management.io/ocm","ecosystem":"Go","purl":"pkg:golang/open-cluster-management.io/ocm"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.2.1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-5564.json"}}],"schema_version":"1.7.5"}