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CVE-2026-70398

9.6 · CRITICAL

A flaw was found in multicloud-integrations, a component of Red Hat Advanced Cluster Management (RHACM).

Published Aug 12, 2026CWE-441EPSS 0.52%

Overview

CVE-2026-70398 is a critical-severity vulnerability. It was published on August 12, 2026 and has a CVSS 3.1 base score of 9.6 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.6, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refaccess.redhat.com/errata/RHSA-2026:60386Refaccess.redhat.com/errata/RHSA-2026:60387Refaccess.redhat.com/errata/RHSA-2026:60388Refaccess.redhat.com/errata/RHSA-2026:60389Refaccess.redhat.com/errata/RHSA-2026:60390Refaccess.redhat.com/errata/RHSA-2026:60391Refaccess.redhat.com/security/cve/CVE-2026-70398Refbugzilla.redhat.com/show_bug.cgi?id=2514228

How CyberStrike helps

Frequently asked questions

What is CVE-2026-70398?

CVE-2026-70398 is a critical-severity vulnerability. It was published on August 12, 2026 and has a CVSS 3.1 base score of 9.6 (CRITICAL).

How severe is CVE-2026-70398?

This vulnerability has a CVSS 3.1 base score of 9.6, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-70398?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-70398?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-70398 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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