{"id":"CVE-2026-48616","aliases":["EUVD-2026-37514","GHSA-fgjp-hxx6-j7jx"],"status":"published","title":"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...","description":"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.","severity":{"version":"3.0","score":9.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00332,"percentile":0.26665,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284"],"published":"2026-06-16T23:08:37Z","modified":"2026-10-28T02:30:39Z","products":[{"vendor":"rocket.chat","product":"rocket.chat"}],"references":[{"url":"https://hackerone.com/reports/3687142","tags":["Third Party Advisory","web"]},{"url":"https://github.com/RocketChat/Rocket.Chat/pull/40889","tags":["Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48616","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-fgjp-hxx6-j7jx"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48616.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-48616","description":"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.","status":"published","published":"2026-06-16T23:08:37.908Z","modified":"2026-06-17T15:01:42.246Z","cvss":[{"version":"3.0","score":9.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N","level":"critical","assessor":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T13:50:49.872037Z"}],"euvd":[{"id":"EUVD-2026-37514","description":"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.","status":"published","published":"2026-06-16T23:08:37Z","modified":"2026-06-17T15:01:42Z","cvss":[{"version":"3.0","score":9.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N","level":"critical"}],"updated_at":"2026-11-02T18:20:38.239877Z"}],"ghsa":[{"id":"GHSA-fgjp-hxx6-j7jx","title":"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...","description":"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.","status":"published","published":"2026-06-17T18:35:51Z","modified":"2026-06-17T18:35:59Z","cvss":[{"version":"3.0","score":9.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N","level":"critical"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:08:52.409657Z"}],"nvd":[{"id":"CVE-2026-48616","description":"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.","status":"published","published":"2026-06-17T13:20:42.6Z","modified":"2026-10-24T13:10:00.147Z","cvss":[{"version":"3.0","score":9.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N","level":"critical","assessor":"secondary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:12:24.544761Z"}],"osv":[{"id":"CVE-2026-48616","description":"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.","status":"published","published":"2026-06-16T23:08:37.908Z","modified":"2026-10-28T02:30:39.608653415Z","cvss":[{"version":"3.0","score":9.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N","level":"critical"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:45:06.701612Z"}]}}