CVE-2026-77176: Red Hat Openshift Container Platform 4

High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days.

A flaw was found in Kata Containers. In configurations utilizing genpolicy for Confidential Containers guest protection, a malicious host operator can exploit insufficient validation of CreateContainer mount and storage rules. This allows them to mount arbitrary container-rootfs paths over sensitive host locations or provision arbitrary content, potentially exposing confidential information or enabling the acceptance of attacker-controlled input.

Affected products

• Red Hat Red Hat Openshift Container Platform 4

Published 2026-08-20. Last modified 2026-09-01.