Grok Build Environment Suspected of Tenant Isolation Flaw

Reddit users report that sending just a stateless "hi" in a Grok build session still triggered toolcalls from another session, suggesting a serious tenant isolation flaw in the Grok build environment.

2026-09-13 ~ 2026-09-13 · 2 related posts

• A bare 'hi' prompt could hijack other users' Grok build sessions in June — Desperate-Ad117 · 2026-09-13
• A bare 'hi' reportedly triggered tool calls on another user's workspace, exposing Grok session isolation failure — Desperate-Ad117 · 2026-09-13