CVE-2026-72526
Critical
Description
A flaw was found in the multicloud-integrations component. The Application propagation controller processes the `ocm-managed-cluster` annotation from an Application Custom Resource (CR) without proper validation. A tenant with permissions to create Applications on the hub cluster can exploit this to target arbitrary managed clusters. This can force ArgoCD on the spoke clusters to synchronize attacker-controlled manifests, leading to arbitrary code execution or privilege escalation on those clusters.
SeverityCritical
CVSS9.9
Exploit probability—
ProductAcm 2.11
PublishedAug 12, 2026
First seenAug 12, 2026
Weakness typeCWE-441CWE-441
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| acm 2.11 | No range specified | — |
| acm 2.13 | No range specified | — |
| acm 2.14 | No range specified | — |
| acm 2.15 | No range specified | — |
| acm 2.16 | No range specified | — |
| acm 2.17 | No range specified | — |
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