{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-48616", "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "state": "PUBLISHED", "assignerShortName": "hackerone", "dateReserved": "2026-05-22T15:00:09.276Z", "datePublished": "2026-06-16T23:08:37.908Z", "dateUpdated": "2026-06-16T23:08:37.908Z"}, "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": [{"defaultStatus": "unaffected", "vendor": "Rocket.Chat", "product": "Rocket.Chat", "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": [{"type": "CWE", "lang": "en", "cweId": "CWE-284", "description": "CWE-284 Improper Access Control - Generic"}]}], "providerMetadata": {"orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "shortName": "hackerone", "dateUpdated": "2026-06-16T23:08:37.908Z"}}}}

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