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...

CVE-2026-46695 BoxLite: Permission Bypass in boxlite Allows Modification of Read-Only Files

Boxlite is a sandbox service that allows users to create lightweight virtual machines Boxes and launch OCI containers within them to run untrusted code. Prior to version 0.9.0, Boxlite does not restrict the kernel capabilities available inside the container, malicious code can remount the directo...

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...