Medium [CVE-2026-19730] Quadlet install --replace non-truncating write retains removed host-access directives
This medium-severity Red Hat Linux advisory covers CVE-2026-19730 affecting Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat Hardened Images.
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Summary
Quadlet install --replace non-truncating write retains removed host-access directives. Red Hat rates this moderate (CVSS 4.2).
Weakness: CWE-459.
Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat Hardened Images; Red Hat package: podman.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
Mitigation checklist
- Patches available at https://github.com/podman-container-tools/podman/commit/a38a9b7d20915c55e6f3c451101ae72d6da33742 for versions 5.8.6 and 6.0.0. If patches cannot be used, possible workarounds are to manually copy the quadlet files to the quadlet directory or remove the destination file before running 'podman quadlet install' (without --replace).
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
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