EXEO Threat Intelligence

Threat advisories that tell you what to do next

Curated, de-identified advisories powered by Argos. What the threat is, who is exposed, and the actions that reduce your risk.

Signature verification bypass in bootc (CVE-2026-16487)

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.

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