CVE-2026-16460

CVE-2026-16460 · Bootc: ostree: bootc/ostree: staged deployments not revalidated against container signature policy before finalization

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A flaw was found in bootc and ostree. Already-staged deployments are finalized without revalidating the deployment's container image against the current containers signature policy. Unsigned OS content staged under a prior permissive policy can remain bootable after policy is hardened to reject unsigned images, leading to full host compromise on reboot.

CVSS 7.4 · Élevée · EPSS 0,1%

Publication

2026-10-19T06:40:50.466Z

Mise à jour

2026-10-21T18:56:55.605Z

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