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CVE-2026-66792

9.9 · CRITICAL

A flaw was found in the multicloud-operators-subscription component.

Published Aug 17, 2026CWE-863EPSS 0.69%

Overview

CVE-2026-66792 is a critical-severity vulnerability. It was published on August 17, 2026 and has a CVSS 3.1 base score of 9.9 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.9, 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 the multicloud-operators-subscription component. This vulnerability allows a user on a managed cluster to escalate their privileges by creating a Subscription with specific, crafted annotations. Successful exploitation grants the attacker the ability to deploy resources into any namespace with the elevated permissions of the controller's Service Account, potentially leading to unauthorized access and control over cluster resources.

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-2026-66792Refbugzilla.redhat.com/show_bug.cgi?id=2507537

How CyberStrike helps

Frequently asked questions

What is CVE-2026-66792?

CVE-2026-66792 is a critical-severity vulnerability. It was published on August 17, 2026 and has a CVSS 3.1 base score of 9.9 (CRITICAL).

How severe is CVE-2026-66792?

This vulnerability has a CVSS 3.1 base score of 9.9, 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-2026-66792?

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-2026-66792?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-66792 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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