CVE-2026-12039 | Docker Sandboxes up to 0.32.x DNS Resolution communication channel to intended endpoints

June 18, 2026 Yanac

A vulnerability classified as problematic has been found in Docker Sandboxes up to 0.32.x. Affected is an unknown function of the component DNS Resolution Handler. This manipulation causes improper restriction of communication channel to intended endpoints.

This vulnerability is tracked as CVE-2026-12039. The attack is restricted to local execution. No exploit exists.

It is recommended to upgrade the affected component.VulDB Recent EntriesRead More