CVE-2026-16460

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.

• CWE-345

• https://access.redhat.com/security/cve/CVE-2026-16460
• https://bugzilla.redhat.com/show_bug.cgi?id=2503167

Published

Oct 19, 2026

Last Modified

Oct 21, 2026

Status

Awaiting Analysis

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