CVE-2026-120308 Beta9 host filesystem exposure via volume path traversal
Exploit status: No public exploit known
Affects: beam-cloud Beta9 gateway, beam-cloud Beta9 worker
A Beta9 tenant can attach a volume when deploying a function, endpoint, or task queue. The gateway builds the host path by joining the shared volumes root, the workspace name, and the volume identifier from the stub configuration. Nothing checks that the identifier names a volume...