fix: resolve root security during join #2827

Bugbot Review

Bugbot Analysis Progress (10m 12s elapsed)

✅ Gathered PR context (3s)
✅ Completed bug detection (10m 0s)
✅ Posted analysis results (9s)

Final Result: Bugbot completed review and found 2 potential issues. 2 previously reported issues remain unresolved.

Request ID: serverGenReqId_3ed39914-018f-4483-a0ea-b62a694649fe

Cursor Bugbot has reviewed your changes and found 2 potential issues.

There are 4 total unresolved issues (including 2 from previous reviews).

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