What is CVE-2026-70398?

CVE-2026-70398 is a critical-severity vulnerability in Red Hat Advanced Cluster Management For Kubernetes 2, classified under Unintended Proxy or Intermediary (Confused Deputy). CVSS score: 9.6/10. Published 2026-08-12.

How severe is CVE-2026-70398?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Vulnerability in Red Hat Advanced Cluster Management For Kubernetes 2

CVE-2026-70398

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 th…

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N.

Affected products

Red Hat Advanced Cluster Management For Kubernetes 2

Weakness classification (CWE)

CWE-441 — Unintended Proxy or Intermediary (Confused Deputy)

References

secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking)

Frequently asked questions

What is CVE-2026-70398?: CVE-2026-70398 is a critical-severity vulnerability in Red Hat Advanced Cluster Management For Kubernetes 2, classified under Unintended Proxy or Intermediary (Confused Deputy). CVSS score: 9.6/10. Published 2026-08-12.
How severe is CVE-2026-70398?: Critical severity. CVSS v3 base score is 9.6 out of 10.