PYSEC-2026-299 BoxLite: Permission Bypass Allows Modification of Read-Only Files

Summary Boxlite is a sandbox service that allows users to create lightweight virtual machines Boxes and launch OCI containers within them to run untrusted code. One of the core security features claimed by Boxlite is the ability to mount host directories in read-only mode readonly=True into the V...

PT-2026-42209

Name of the Vulnerable Software and Affected Versions Boxlite versions prior to 0.9.0 Description Boxlite is a sandbox service that allows users to create lightweight virtual machines and launch OCI containers to run untrusted code. The software fails to properly enforce read-only mounts for host...