| id: GO-2026-5564 |
| modules: |
| - module: open-cluster-management.io/ocm |
| versions: |
| - fixed: 1.2.1 |
| vulnerable_at: 1.2.0 |
| summary: |- |
| Open Cluster Management (OCM): Cross-cluster privilege escalation via improper |
| Kubernetes client certificate renewal validation in open-cluster-management.io/ocm |
| cves: |
| - CVE-2026-4740 |
| ghsas: |
| - GHSA-q4gv-pjmh-c735 |
| references: |
| - advisory: https://github.com/advisories/GHSA-q4gv-pjmh-c735 |
| - advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-4740 |
| - web: https://access.redhat.com/security/cve/CVE-2026-4740 |
| - web: https://blog.arfevrier.fr/open-cluster-management-cross-cluster-escape |
| - web: https://bugzilla.redhat.com/show_bug.cgi?id=2450590 |
| - web: https://github.com/open-cluster-management-io/ocm/commit/9e70cc1e21a15239c81111062c0b37df4b5a8026 |
| source: |
| id: GHSA-q4gv-pjmh-c735 |
| created: 2026-06-25T15:46:23.097778306-04:00 |
| review_status: UNREVIEWED |