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Vendor Workaround
To mitigate this issue, implement strict Role-Based Access Control (RBAC) policies to limit create and update permissions on `clustercurators.cluster.open-cluster-management.io` resources to trusted administrators only. This restricts the ability of less privileged tenants to exploit the vulnerability and escalate privileges within the Kubernetes environment.
Tracking
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Wed, 12 Aug 2026 20:30:00 +0000
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| Metrics |
ssvc
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Wed, 12 Aug 2026 19:30:00 +0000
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| Description | A flaw was found in the cluster-curator-controller component of multicluster engine (MCE). A tenant with create or update permissions on ClusterCurator resources can inject an arbitrary Job specification. This is possible because the CreateJob() function does not validate user-controlled input when unmarshaling the spec.install.overrideJob raw extension. Successful exploitation allows the injected Job to run with the controller's elevated privileges, leading to arbitrary code execution and privilege escalation, potentially accessing cluster-wide secrets. | |
| Title | Cluster-curator-controller: cluster-curator-controller: spec.install.overridejob allows arbitrary job spec injection | |
| First Time appeared |
Redhat
Redhat multicluster Engine |
|
| Weaknesses | CWE-94 | |
| CPEs | cpe:/a:redhat:multicluster_engine | |
| Vendors & Products |
Redhat
Redhat multicluster Engine |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-08-12T19:45:37.611Z
Reserved: 2026-08-11T17:22:38.645Z
Link: CVE-2026-73268
Updated: 2026-08-12T19:45:35.347Z
Status : Received
Published: 2026-08-12T20:17:53.650
Modified: 2026-08-12T20:17:53.650
Link: CVE-2026-73268
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OpenCVE Enrichment
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