CVE-2026-16487
HIGH
NVD
CVSS Score
8.1
Severity
HIGH
Published
Oct 19, 2026
Vendor
unknown
Description
A flaw was found in bootc when operating with the default containers signature policy. Automatic or manual upgrades of a mutable image tag may apply unsigned content for registries that fall through to insecureAcceptAnything, allowing an attacker who can update that tag to execute arbitrary OS content as the host root filesystem on reboot.