What happened
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.
Affected versions
Rocket.Chat: before 8.2.0 (semver); before 8.1.1 (semver); before 8.0.2 (semver); before 7.13.4 (semver); before 7.12.5 (semver); before 7.11.5 (semver); before 7.10.8 (semver) Fixed: See vendor advisory.
Why it matters
Review the vendor advisory and exposure of the affected product to determine operational impact.
Detection & mitigation
- Apply vendor-provided updates or mitigations.
- Review affected product exposure and access logs.
Public PoC references
No public PoC reference has passed the current publication threshold.