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ESB-2026.4342 PUBLISHED CVSS 9.100000381469727 CRITICAL

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.4342 RHACS 4.8.11 security and bug fix update 29 April 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: RHACS 4.8.11 Publisher: Red Hat Operating System: Red Hat Resolution: Patch/Upgrade CVE Names: CVE-2026-33815 CVE-2026-33816 CVE-2026-35469 CVE-2026-33186 CVE-2026-32286 CVE-2026-29063 CVE-2026-34986 Original Bulletin: https://access.redhat.com/errata/RHSA-2026:11217 Comment: CVSS (Max): 9.1 CVE-2026-33186 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N) 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:H/I:H/A:N EPSS (Max): 0.2% (42nd) CVE-2026-29063 2026-04-27 - --------------------------BEGIN INCLUDED TEXT-------------------- RHSA-2026:11217 - Security Advisory Issued: 2026-04-27 Updated: 2026-04-27 Synopsis Rhacs 4.8.11 security and bug fix update Type/Severity Security Advisory: Important Topic Updated images are now available for Red Hat Advanced Cluster Security (RHACS), which typically include new features, bug fixes, and/or security patches. Description See the release notes (link in the references section) for a description of the fixes and enhancements in this particular release. Solution If you are using an earlier version of RHACS, you are advised to upgrade to the version of RHACS mentioned in the synopsis and release notes in order to take advantage of the enhancements, bug fixes, and/or security patches in the release. Fixes (none) CVEs o CVE-2026-29063 o CVE-2026-32286 o CVE-2026-33186 o CVE-2026-33815 o CVE-2026-33816 o CVE-2026-34986 o CVE-2026-35469 References o https://access.redhat.com/security/updates/classification/ o https://docs.redhat.com/en/documentation/ red_hat_advanced_cluster_security_for_kubernetes/4.8/html-single/ release_notes/index#about-this-release-4811_release-notes-48 - --------------------------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 ===========================================================================

Risk Scores

CVSS v3.1
9.100000381469727
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected Products

VendorProductVersions
Red HatRHACS 4.8.11

Timeline

References

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