Rocket.Chat versions <8.5.1, 8.4.4, 8.3.6, 8.2.6, 8.1.6, 8.0.7, 7.13.9, 7.10.13 has an access control vulnerability in Livechat files. Protected file downloads at /file-upload/:fileId/:name authorize livechat access using rc_room_type=l with rc_rid+rc_token, but the authorization path does not verify that rc_rid matches the requested file's rid. Furthermore, :fileId is predictable via sequential MongoDB IDs, and :name can be anything, allowing unauthenticated discovery of all uploaded files.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:NRocket.chat
APPRocket.Chat< 7.10.137.13.0 – 7.13.9 (excl.)8.0.0 – 8.0.7 (excl.)8.1.0 – 8.1.6 (excl.)8.2.0 – 8.2.6 (excl.)8.3.0 – 8.3.6 (excl.)8.4.0 – 8.4.4 (excl.)8.5.0 – 8.5.1 (excl.)
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