Red Hat Advanced Cluster Management for Kubernetes multicloud-integrations privileges management

Summaryinfo

A vulnerability marked as very critical has been reported in Red Hat Advanced Cluster Management for Kubernetes. This impacts an unknown function of the component multicloud-integrations. This manipulation causes privileges management. This vulnerability appears as CVE-2026-70398. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability has been found in Red Hat Advanced Cluster Management for Kubernetes (the affected version is unknown) and classified as very critical. Affected by this vulnerability is an unknown code of the component multicloud-integrations. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A flaw was found in multicloud-integrations, a component of Red Hat Advanced Cluster Management (RHACM). This vulnerability allows an authenticated user, referred to as a tenant, to manipulate the GitOpsCluster controller. By exploiting this, a tenant can redirect sensitive spoke cluster bearer tokens from secure locations to a namespace they control. This unauthorized access to tokens can lead to the disclosure of critical information and bypass security policies within ArgoCD AppProjects.

It is possible to read the advisory at access.redhat.com. This vulnerability is known as CVE-2026-70398 since 08/11/2026. The exploitation appears to be easy. The attack can be launched remotely. Additional levels of successful authentication are necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 08/12/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• Virtualization Software

Vendor

• Red Hat

Name

• Advanced Cluster Management for Kubernetes

License

• open-source

Website

• Vendor: https://www.redhat.com/

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