Rocket.Chat · Report #3514640

Unauthenticated Path Traversal (LFI) via /custom-sounds/ when CustomSounds uses FileSystem storage

Validstatus

highseverity

47upvotes

3 Aug 2026disclosed

Summary

An unauthenticated path traversal (LFI) vulnerability exists under /custom-sounds/ when CustomSounds storage is configured to FileSystem. By including ../ sequences in the request path, an attacker can read arbitrary files outside the base directory.

How it was found

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