NPM · AUGUST 2026 · EARLY WARNING

Critical Flaw in Red Hat Advanced Cluster Management Component

EARLY WARNING · UNCONFIRMED. This page describes a developing threat that 0Day surfaced from early signals and has not yet independently confirmed. Details may change. Always verify against the primary sources before acting.
Severity
CRITICAL
CVSS
9.6
Affected component
multicloud-integrations (npm)
Patched version
Not yet available
CVE-2026-70398

An early warning has been issued for a critical vulnerability in the multicloud-integrations component of Red Hat Advanced Cluster Management (RHACM). This flaw allows an authenticated user to manipulate the GitOpsCluster controller and redirect sensitive tokens.

What happened

A critical vulnerability has been identified in the multicloud-integrations component of Red Hat Advanced Cluster Management (RHACM). This flaw allows an authenticated user, referred to as a tenant, to manipulate the GitOpsCluster controller. By exploiting this vulnerability, 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.

The vulnerability, tracked as CVE-2026-70398, has a CVSS score of 9.6, indicating a critical severity level. The vulnerability has not been exploited in the wild as of the latest reports. It is under investigation, and users are advised to take immediate action to mitigate potential risks.

What to do about it

How 0Day would have caught this

MATCHED TO YOUR ACTUAL DEPENDENCY GRAPH0Day matches every incoming threat signal against your GitHub organization’s full dependency graph, including transitive dependencies. If multicloud-integrations is anywhere in your dependency tree, the engineers who own the affected repositories get a push alert the moment it is flagged — no manual audit to remember to run.

Read how this differs from waiting on a scanner to catch a known advisory, or see the exact, read-only access 0Day needs to do this for an organization.

Frequently asked questions

Am I affected?

If you are using the multicloud-integrations component of Red Hat Advanced Cluster Management (RHACM), you may be affected. Consult the primary sources for the most current information on affected versions.

What should I do right now?

Immediately upgrade to the latest version of multicloud-integrations and review ArgoCD AppProjects for any unauthorized access. Monitor the primary sources for updates on the vulnerability and any official fixes.

Has an official fix been published?

No official fix has been published yet. Monitor the primary sources for updates on any patches or fixes.

Sources

Join the 0Day waitlist →

← Back to all threats