RHSA-2026:27879MediumCVSS 8.1

Red Hat Security Advisory: OpenShift Virtualization v4.21 Images

Published
June 22, 2026
Last Modified
August 1, 2026

🔗 CVE IDs covered (1)

CVE-2026-41240 →

📋 Description

CVE-2026-41240 — DOMPurify: DOMPurify: Cross-Site Scripting (XSS) via inconsistent tag sanitization

🎯 Affected products4

  • Red Hat Container Native Virtualization 4.21
  • registry.redhat.io/container-native-virtualization/kubevirt-console-plugin-rhel9@sha256:8ccab70e2d38eb88b41d2b87d151ac2a6b46924d4c84c267af36bad6c138d998_arm64 as a component of Red Hat Container Native Virtualization 4.21
  • registry.redhat.io/container-native-virtualization/kubevirt-console-plugin-rhel9@sha256:b124bd85b5da0316d69504169bcc7b08b18d11b4b06dd0bf2eda71d821d9252a_s390x as a component of Red Hat Container Native Virtualization 4.21
  • registry.redhat.io/container-native-virtualization/kubevirt-console-plugin-rhel9@sha256:ed86f8a7b472cc42a3c64bae3d3b0cdf5a03a43ac64621ecf5585f35c4c77b3f_amd64 as a component of Red Hat Container Native Virtualization 4.21

✅ Remediation

Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

🔗 References (4)