{"id":"CVE-2026-48616","state":"PUBLISHED","title":"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/:fil","description":"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.","publishedAt":"2026-06-16T23:08:37.908Z","updatedAt":"2026-06-17T15:01:42.246Z","severity":{"score":9.3,"label":"Critical","version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N","source":"hackerone"},"assigner":"hackerone","products":["Rocket.Chat Rocket.Chat"],"affected":[{"vendor":"Rocket.Chat","product":"Rocket.Chat","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"8.5.1","versionType":"semver"},{"version":"0","status":"affected","lessThan":"8.4.4","versionType":"semver"},{"version":"0","status":"affected","lessThan":"8.3.6","versionType":"semver"},{"version":"0","status":"affected","lessThan":"8.2.6","versionType":"semver"},{"version":"0","status":"affected","lessThan":"8.1.6","versionType":"semver"},{"version":"0","status":"affected","lessThan":"8.0.7","versionType":"semver"},{"version":"0","status":"affected","lessThan":"7.13.9","versionType":"semver"},{"version":"0","status":"affected","lessThan":"7.10.13","versionType":"semver"}]}],"references":["https://hackerone.com/reports/3687142","https://github.com/RocketChat/Rocket.Chat/pull/40889"],"weaknesses":["CWE-284"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/48xxx/CVE-2026-48616.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-48616","state":"PUBLISHED","datePublished":"2026-06-16T23:08:37.908Z","dateUpdated":"2026-06-17T15:01:42.246Z","assignerShortName":"hackerone","assignerOrgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateReserved":"2026-05-22T15:00:09.276Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Rocket.Chat","product":"Rocket.Chat","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"8.5.1","versionType":"semver"},{"version":"0","status":"affected","lessThan":"8.4.4","versionType":"semver"},{"version":"0","status":"affected","lessThan":"8.3.6","versionType":"semver"},{"version":"0","status":"affected","lessThan":"8.2.6","versionType":"semver"},{"version":"0","status":"affected","lessThan":"8.1.6","versionType":"semver"},{"version":"0","status":"affected","lessThan":"8.0.7","versionType":"semver"},{"version":"0","status":"affected","lessThan":"7.13.9","versionType":"semver"},{"version":"0","status":"affected","lessThan":"7.10.13","versionType":"semver"}]}],"references":[{"url":"https://hackerone.com/reports/3687142"},{"url":"https://github.com/RocketChat/Rocket.Chat/pull/40889"}],"metrics":[{"cvssV3_0":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N","baseScore":9.3,"baseSeverity":"CRITICAL"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-284","type":"CWE","lang":"en","description":"CWE-284 Improper Access Control - Generic"}]}],"providerMetadata":{"shortName":"hackerone","orgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateUpdated":"2026-06-16T23:08:37.908Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-17T15:01:32.537175Z","id":"CVE-2026-48616","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-17T15:01:42.246Z"}}]}}}