ESB-2026.3730

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.3730 Red Hat Advanced Cluster Management for Kubernetes v2.13.6 security update 15 April 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: Red Hat Advanced Cluster Management for Kubernetes v2.13.6 Publisher: Red Hat Operating System: Red Hat Resolution: Patch/Upgrade CVE Names: CVE-2025-58183 CVE-2025-61726 CVE-2025-61728 CVE-2025-13465 CVE-2026-25639 CVE-2026-21721 CVE-2026-22029 Original Bulletin: https://access.redhat.com/errata/RHSA-2026:8229 Comment: CVSS (Max): 8.2 CVE-2025-13465 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H) CVSS Source: Red Hat Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H EPSS (Max): 0.1% (15th) CVE-2026-25639 2026-04-14 - --------------------------BEGIN INCLUDED TEXT-------------------- RHSA-2026:8229 - Security Advisory Issued: 2026-04-15 Updated: 2026-04-15 Synopsis Red hat advanced cluster management for kubernetes v2.13.6 security update Type/Severity Security Advisory: Important Topic Red Hat Advanced Cluster Management for Kubernetes 2.13 General Availability release images, which add new features and enhancements, bug fixes, and updated container images. Description Red Hat Advanced Cluster Management for Kubernetes 2.13 images Red Hat Advanced Cluster Management for Kubernetes provides the capabilities to address common challenges that administrators and site reliability engineers face as they work across a range of public and private cloud environments. Clusters and applications are all visible and managed from a single console-with security policy built in. This advisory contains the container images for Red Hat Advanced Cluster Management for Kubernetes, which add new features and enhancements, bug fixes, and updated container images. See the following Release Notes documentation, which will be updated shortly for this release, for additional details about this release: https://docs.redhat.com/en/documentation/ red_hat_advanced_cluster_management_for_kubernetes/2.13/html-single/ release_notes/index#acm-release-notes Solution Before you apply this update, make sure all previously released errata that are relevant to your system are applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Fixes o ACM-20743 - alertmanager-clientca-metric configmap not updated after cert rotation, causes TargetDown alert CVEs o CVE-2025-13465 o CVE-2025-58183 o CVE-2025-61726 o CVE-2025-61728 o CVE-2026-21721 o CVE-2026-22029 o CVE-2026-25639 References o https://access.redhat.com/security/updates/classification/ o https://access.redhat.com/security/updates/classification/#important - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AUSCERT's members. As AUSCERT did not write the document quoted above, AUSCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AUSCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://portal.auscert.org.au/bulletins/ =========================================================================== AUSCERT The University of Queensland, Brisbane QLD 4072 Australia e: auscert@auscert.org.au t: +61 (0)7 3365 4417 Allies in Cyber Security ===========================================================================