High8.8Red Hat & Ubuntu Linux
Arbitrary file write inside guest image via CopyFile policy
CVE-2026-41326 Published Apr 22, 2026
CVE-2026-41326
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Arbitrary file write inside guest image via CopyFile policy. Red Hat rates this important (CVSS 8.8). Weakness: CWE-1220. Affected package(s): rhcos. Resolved in Red Hat advisory RHSA-2026:25200 — update the affected packages (`sudo dnf update`).
Affected versions
- rhcos-4.19.9.6.202606100451-0
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Fixed versions
- RHSA-2026:25200
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:25200 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
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