{"id":"CVE-2026-48616","details":"Rocket.Chat versions \u003c8.5.1, 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.","modified":"2026-07-08T08:13:38.954998293Z","published":"2026-06-16T23:08:37.908Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48616.json","cwe_ids":["CWE-284"],"cna_assigner":"hackerone"},"references":[{"type":"WEB","url":"https://hackerone.com/reports/3687142"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48616.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48616"},{"type":"FIX","url":"https://github.com/RocketChat/Rocket.Chat/pull/40889"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/rocketchat/rocket.chat","events":[{"introduced":"0"},{"fixed":"53aaae39e9723dac812ba338041a9663fb1a1d59"},{"introduced":"98c9d579501d877c263fe0a1db3cb69d0b52bf92"},{"fixed":"23cf9ba01a77d1887de4ce10135dcb36704f94ed"},{"introduced":"9e2e148b8d8c474b307c24d59f8592a172f017f5"},{"fixed":"cabfcaf3883384bf0890671b6fbd6fa65f5608eb"},{"introduced":"2ca98764a077deb7efb710ff1d8f78c5c3e4c4a3"},{"fixed":"fda10a2c13d44e19d385dc7ed59689f975ecab31"},{"introduced":"f2a05ceed2086266fa3e36cf575c1794f68f00ab"},{"fixed":"e41378f2d1303a5637e1018ef1500236972844dc"},{"introduced":"00a1efa3fde455359510349d827acd91ba67905e"},{"fixed":"8917e118db426304e7e33c4fee3bd389ac427310"},{"introduced":"bb8c7be629b7cbffc7387285c5cb98e5835ad85f"},{"fixed":"3ab367adc463a88492e897a1349b83a156d1c1a0"},{"introduced":"d0230e1ed86163b5cf9da57fda09fa86ea0b5c9f"},{"fixed":"1651a370018d929d69c33fe665ab077dc70e4f52"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"7.10.13"},{"introduced":"7.13.0"},{"fixed":"7.13.9"},{"introduced":"8.0.0"},{"fixed":"8.0.7"},{"introduced":"8.1.0"},{"fixed":"8.1.6"},{"introduced":"8.2.0"},{"fixed":"8.2.6"},{"introduced":"8.3.0"},{"fixed":"8.3.6"},{"introduced":"8.4.0"},{"fixed":"8.4.4"},{"introduced":"8.5.0"},{"fixed":"8.5.1"}],"cpe":"cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*","source":"CPE_RANGE"}}],"versions":["7.13.8","7.10.12","8.0.6","8.1.5","8.3.5","8.2.5","8.4.3","8.5.0","8.2.4","8.3.4","8.4.2","7.10.11","7.13.7","8.0.5","8.1.4","8.2.3","8.3.3","8.4.1","7.13.6","7.10.10","8.2.2","8.0.4","8.1.3","8.3.2","8.4.0","7.10.9","7.13.5","8.0.3","8.1.2","8.2.1","8.3.1","8.3.0","7.10.8","7.13.4","8.0.2","8.1.1","8.2.0","7.10.7","8.1.0","8.0.1","7.13.3","8.0.0","7.13.2","7.10.6","7.10.5","7.13.1","7.13.0","7.10.4","7.10.3","7.10.2","7.10.1","7.10.0","7.9.3","7.9.1","7.8.3","7.9.0","7.8.2","7.8.1","7.8.0","7.8.0-rc.1","7.8.0-rc.0","6.0.0","5.4.4","5.4.3","5.4.2","5.4.1","5.3.5","5.4.0","5.3.4","5.3.2","5.1.4","5.2.0","5.3.1","5.3.0","5.1.3","5.1.1","5.0.5","5.1.0","5.0.4","5.0.3","5.0.2","5.0.1","5.0.0","4.8.2","4.8.0","4.6.3","4.7.3","4.7.2","4.4.4","4.7.1","4.7.0","4.6.2","4.6.1","4.5.5","4.6.0","4.4.2","4.5.4","4.5.3","4.5.2","4.5.1","4.5.0","4.4.1","4.4.0","4.3.3","4.3.2","4.3.1","4.2.2","4.1.2","4.3.0","4.2.1","4.2.0","4.1.1","4.1.0","4.0.5","3.18.2","4.0.4","4.0.3","4.0.2","4.0.1","4.0.0","3.18.1","3.17.2","3.16.4","3.18.0","3.17.1","3.17.0","3.16.3","3.16.1","3.16.2","3.16.0","3.15.2","3.14.4","3.15.1","3.15.0","3.14.3","3.14.2","3.14.1","3.13.3","3.14.0","3.13.2","3.13.1","3.12.3","3.13.0","3.12.2","3.12.1","3.12.0","3.11.1","3.10.5","3.11.0","3.10.4","3.10.3","3.10.2","3.10.1","3.10.0","3.9.3","3.9.2","3.9.1","3.9.0","3.8.2","3.7.2","0.74.3","3.8.1","3.8.0","3.7.1","3.7.0","3.6.3","3.6.2","3.6.1","3.6.0","3.5.4","3.5.3","3.5.2","3.5.1","3.5.0","3.4.2","3.4.1","3.4.0","3.3.3","3.3.2","3.3.1","3.3.0","3.2.2","3.2.1","3.1.2","3.0.12","3.2.0","3.1.1","3.1.0","3.0.11","3.0.10","3.0.9","3.0.8","3.0.7","3.0.6","3.0.5","3.0.4","3.0.3","3.0.2","3.0.1","2.4.9","3.0.0","2.4.8","2.4.7","2.4.6","2.4.5","2.4.4","2.4.3","2.4.2","2.4.1","2.4.0","2.3.2","2.3.1","2.3.0","2.2.0","2.1.2","2.0.0","1.3.2","2.1.1","2.1.0","1.3.1","1.3.0","1.2.1","1.0.3","1.1.3","1.2.0","1.1.2","1.1.1","1.1.0","1.0.2","1.0.1","1.0.0","0.74.2","0.74.1","0.74.0","0.73.2","0.73.1","0.73.0","0.72.3","0.72.2","0.72.1","0.70.4","0.71.1","0.72.0","0.71.0","0.70.3","0.70.2","0.70.1","0.70.0","0.69.2","0.69.1","0.69.0","0.68.5","0.68.4","0.68.3","0.68.2","0.68.1","0.68.0","0.67.0","0.66.3","0.66.2","0.66.1","0.66.0","0.65.2","0.65.1","0.65.0","0.64.2","0.64.1","0.64.0","0.63.3","0.63.2","0.63.1","0.63.0","0.62.2","0.62.1","0.62.0","0.61.2","0.61.1","0.61.0","0.60.4","0.60.3","0.60.2","0.60.1","0.60.0","0.59.6","0.59.5","0.59.4","0.59.3","0.59.2","0.59.1","0.59.0","0.58.2","0.58.1","0.58.0","0.57.2","0.57.1","0.57.0","0.56.0","0.56.0-rc.7","0.56.0-rc.6","0.56.0-rc.5","0.56.0-rc.4","0.56.0-rc.3","0.56.0-rc.2","0.56.0-rc.1","0.56.0-rc.0","0.54.1","0.54.0","0.50.0","0.49.4","0.49.3","0.49.2","0.49.1","0.49.0","0.48.0","0.46.0","0.45.0","0.44.0","0.43.0","0.42.0","0.41.0","0.40.1","0.40.0","0.39.0","0.38.0","0.37.1","0.37.0","0.36.0","0.30.0","0.29.0","0.28.0","0.27.0","0.26.0","0.25.0","0.24.0","0.23.0","0.19.0","0.18.0","0.17.0","0.16.0","0.15.0","0.14.0","0.13.0","0.11.0","0.10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