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Critical · 9.6 CVE-2026-70398 EUVD-2026-57058GHSA-cjw2-r57r-pwvf

Multicloud-integrations: multicloud-integrations: gitopscluster.spec.argoserver.argonamespace writes spoke bearer tokens to attacker-chosen namespace

Published Aug 12, 2026 · Updated Sep 5, 2026 · Assigned by redhat

Description

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.

Affected products

VendorProductAffectedFixed
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.11 — —
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.13 — —
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.14 — —
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.15 — —
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.16 — —
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.17 — —

References