High [CVE-2026-26017] DNS access control bypass due to plugin execution order flaw
This high-severity Red Hat Linux advisory covers CVE-2026-26017 affecting Red Hat Advanced Cluster Management for Kubernetes 2.13, Red Hat Advanced Cluster Management for Kubernetes 2.14, Red Hat Advanced Cluster Management for Kubernetes 2.15.
Android app · Google Play
Monitor future Red Hat Linux CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.
Summary
DNS access control bypass due to plugin execution order flaw. Red Hat rates this important (CVSS 7.7).
Weakness: CWE-367. Affected package(s): rhacm2/lighthouse-coredns-rhel9:1774086225, rhacm2/lighthouse-agent-rhel9:1780204232, rhacm2/lighthouse-coredns-rhel9:1780204249.
Resolved in Red Hat advisory RHSA-2026:8151 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Advanced Cluster Management for Kubernetes 2.13; Red Hat Advanced Cluster Management for Kubernetes 2.14; Red Hat Advanced Cluster Management for Kubernetes 2.15; Red Hat Connectivity Link 1.
- rhacm2/lighthouse-coredns-rhel9:1774086225
- rhacm2/lighthouse-agent-rhel9:1780204232
- rhacm2/lighthouse-coredns-rhel9:1780204249
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:8151
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:8151 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Discussion(0)
No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.
Sign in to join the discussion.