CVE-2026-16460
High
Description
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.
SeverityHigh
CVSS7.4
Exploit probability—
Product
Red Hat Hardened Images
PublishedOct 19, 2026
First seenOct 19, 2026
Weakness typeCWE-345CWE-345
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Red Hat Hardened Images | No range specified | — |
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