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fix(security): bind Meet node server to localhost and restrict token file to owner read #19597

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Merged
teknium1 merged 1 commit into from
May 4, 2026
Merged

fix(security): bind Meet node server to localhost and restrict token file to owner read #19597

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9 changes: 8 additions & 1 deletion plugins/google_meet/node/server.py
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Original file line number Diff line number Diff line change
Expand Up @@ -43,7 +43,7 @@ class NodeServer:

def __init__(
self,
host: str = "0.0.0.0",
host: str = "127.0.0.1",
port: int = 18789,
token_path: Optional[Path] = None,
display_name: str = "hermes-meet-node",
Expand Down Expand Up @@ -76,6 +76,13 @@ def ensure_token(self) -> str:
json.dumps({"token": tok, "generated_at": time.time()}, indent=2),
encoding="utf-8",
)
# Restrict to owner-read-write only — the token grants full RPC
# access to the meet bot (start, transcribe, speak in meetings).
try:
tmp.chmod(0o600)
except (OSError, NotImplementedError):
# Best-effort on non-POSIX filesystems; mode is set on POSIX.
pass
tmp.replace(self.token_path)
self._token = tok
return tok
Expand Down
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