A dashboard/desktop backend (and the per-profile cron ticker) serves sessions of
several profiles through the HERMES_HOME contextvar override while
gateway.multiplex_profiles stays off. _mcp_registry_scope() keyed every MCP
connection by the bare server name in that mode, so the first profile to
discover `zernio` owned the only connection and every later served profile —
including one whose config carries a different Authorization header — called
the server through it and got the other account's data back (#111151).
The registry scope now follows the served home: a routed profile (an override
naming a home other than the process home) gets the same per-profile overlay
the multiplexer uses, so a same-named server with other credentials is a
separate connection, discovery for profile B is a connect candidate instead of
"already connected", and status/tool views stay per profile. Single-profile
processes (no override) keep bare keys, byte-identical to before.
Fixes#111151
Credit: #111158 by @KoNit-K located the inert flag on hermes_cli surfaces; its
fix (activating fail-closed multiplex secret scoping from config.yaml on the
dashboard) is not taken — the connection-key seam, not the secret-scope mode,
is what leaks the connection, and flipping the process-wide mode from the
dashboard would change credential resolution for every code path in it.
teknium1
57c4e1d963