# CVE-2026-70398

## Summary

- **CVE ID:** CVE-2026-70398
- **Severity:** CRITICAL
- **CVSS Score:** 9.6 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N)
- **CWE:** CWE-441
- **Published:** Aug 12, 2026
- **Last Modified:** Sep 5, 2026

## 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

- Red Hat — Red Hat Advanced Cluster Management for Kubernetes 2.13 (1787259106)
- Red Hat — Red Hat Advanced Cluster Management for Kubernetes 2.15 (1787238604)
- Red Hat — Red Hat Advanced Cluster Management for Kubernetes 2.17 (1787243221)
- Red Hat — Red Hat Advanced Cluster Management for Kubernetes 2.11 (1787260689)
- Red Hat — Red Hat Advanced Cluster Management for Kubernetes 2.14 (1787183407)
- Red Hat — Red Hat Advanced Cluster Management for Kubernetes 2.16 (1787252179)

## References

- [CNA](https://access.redhat.com/security/cve/CVE-2026-70398)
- [CNA](https://bugzilla.redhat.com/show_bug.cgi?id=2514228)
- [CNA](https://access.redhat.com/errata/RHSA-2026:60386)
- [CNA](https://access.redhat.com/errata/RHSA-2026:60389)
- [CNA](https://access.redhat.com/errata/RHSA-2026:60390)
- [CNA](https://access.redhat.com/errata/RHSA-2026:60387)
- [CNA](https://access.redhat.com/errata/RHSA-2026:60388)
- [CNA](https://access.redhat.com/errata/RHSA-2026:60391)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.32%
- **EPSS Percentile:** 24.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._