High7.5Red Hat & Ubuntu Linux
Authentication bypass allows unauthorized access to TSIG-protected functionalities
CVE-2026-35579 Published May 5, 2026
CVE-2026-35579
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Authentication bypass allows unauthorized access to TSIG-protected functionalities. Red Hat rates this important (CVSS 7.5). Weakness: CWE-303. Affected package(s): rhacm2/lighthouse-coredns-rhel9:1780204249. Resolved in Red Hat advisory RHSA-2026:25127 — update the affected packages (`sudo dnf update`).
Affected versions
- rhacm2/lighthouse-coredns-rhel9:1780204249
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
Fixed versions
- RHSA-2026:25127
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:25127 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
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