RHSA-2026:54427: Important: Red Hat Advanced Cluster Management for Kubernetes v2.15.5 security update
Important: Red Hat Advanced Cluster Management for Kubernetes v2.15.5 security update
Other sources
Red Hat Advanced Cluster Management for Kubernetes provides thecapabilities to address common challenges that administrators and sitereliability engineers face as they work across a range of public andprivate cloud environments. Clusters and applications are all visible andmanaged from a single console—with security policy built in.This advisory contains the container images for Red Hat Advanced ClusterManagement for Kubernetes, which add new features and enhancements, bugfixes, and updated container images. See the followingRelease Notes documentation, which will be updated shortly for thisrelease, for additional details about this release:https://docs.redhat.com/en/documentation/redhatadvancedclustermanagementforkubernetes/2.15/html-single/releasenotes/index#acm-release-notes
— Red Hat
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Red Hat Advanced Cluster Management for Kubernetesto a version that resolves this vulnerability.Fixed in 2.15.5 - Compensating control
Before applying the 2.15.5 security update, ensure that all previously released errata relevant to your system are applied.
Event History
Frequently Asked Questions
What is the severity of RHSA-2026:54427?
The severity of RHSA-2026:54427 is classified as high with a score of 7.
How do I fix RHSA-2026:54427?
To fix RHSA-2026:54427, apply the latest security update for Red Hat Advanced Cluster Management for Kubernetes v2.15.5.
What are the potential risks of not addressing RHSA-2026:54427?
Not addressing RHSA-2026:54427 could lead to vulnerabilities that may be exploited by attackers impacting the security and integrity of your Kubernetes environments.
Which software is affected by RHSA-2026:54427?
RHSA-2026:54427 affects Red Hat Advanced Cluster Management for Kubernetes v2.15.5.
When was RHSA-2026:54427 published?
RHSA-2026:54427 was published on August 12, 2026.