{"id":"CVE-2026-49278","state":"PUBLISHED","title":"Rocket.Chat: Livechat Visitor Profile Disclosure Leaks Bearer Token and Enables Visitor Impersonation","description":"Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.0, 8.4.2, 8.3.4, 8.2.4, 8.1.5, 8.0.6, 7.13.8, and 7.10.12, in the visitors.info endpoint, https://developer.rocket.chat/apidocs/get-visitor-information-by-id-1, token is returned in the response. It looks like there's no use case for the token to be present in the response and it would be a good security practice to remove it altogether. This vulnerability is fixed in 8.5.0, 8.4.2, 8.3.4, 8.2.4, 8.1.5, 8.0.6, 7.13.8, and 7.10.12.","publishedAt":"2026-06-24T21:05:33.587Z","updatedAt":"2026-06-26T03:55:30.759Z","severity":{"score":6.7,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L","source":"GitHub_M"},"assigner":"GitHub_M","products":["RocketChat Rocket.Chat"],"affected":[{"vendor":"RocketChat","product":"Rocket.Chat","versions":[{"version":">= 8.5.0-rc.0, < 8.5.0","status":"affected"},{"version":">= 8.4.0-rc.0, < 8.4.2","status":"affected"},{"version":">= 8.3.0-rc.0, < 8.3.4","status":"affected"},{"version":">= 8.2.0-rc.0, < 8.2.4","status":"affected"},{"version":">= 8.1.0-rc.0, < 8.1.5","status":"affected"},{"version":">= 8.0.0-rc.0, < 8.0.6","status":"affected"},{"version":">= 7.11.0-rc.0, < 7.13.8","status":"affected"},{"version":"< 7.10.12","status":"affected"}]}],"references":["https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-cqj7-h8cj-jmf2"],"weaknesses":["CWE-285"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/49xxx/CVE-2026-49278.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-49278","state":"PUBLISHED","datePublished":"2026-06-24T21:05:33.587Z","dateUpdated":"2026-06-26T03:55:30.759Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-28T20:07:58.861Z"},"containers":{"cna":{"title":"Rocket.Chat: Livechat Visitor Profile Disclosure Leaks Bearer Token and Enables Visitor Impersonation","descriptions":[{"lang":"en","value":"Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.0, 8.4.2, 8.3.4, 8.2.4, 8.1.5, 8.0.6, 7.13.8, and 7.10.12, in the visitors.info endpoint, https://developer.rocket.chat/apidocs/get-visitor-information-by-id-1, token is returned in the response. It looks like there's no use case for the token to be present in the response and it would be a good security practice to remove it altogether. This vulnerability is fixed in 8.5.0, 8.4.2, 8.3.4, 8.2.4, 8.1.5, 8.0.6, 7.13.8, and 7.10.12."}],"affected":[{"vendor":"RocketChat","product":"Rocket.Chat","versions":[{"version":">= 8.5.0-rc.0, < 8.5.0","status":"affected"},{"version":">= 8.4.0-rc.0, < 8.4.2","status":"affected"},{"version":">= 8.3.0-rc.0, < 8.3.4","status":"affected"},{"version":">= 8.2.0-rc.0, < 8.2.4","status":"affected"},{"version":">= 8.1.0-rc.0, < 8.1.5","status":"affected"},{"version":">= 8.0.0-rc.0, < 8.0.6","status":"affected"},{"version":">= 7.11.0-rc.0, < 7.13.8","status":"affected"},{"version":"< 7.10.12","status":"affected"}]}],"references":[{"url":"https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-cqj7-h8cj-jmf2","name":"https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-cqj7-h8cj-jmf2","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":6.7,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-285","lang":"en","description":"CWE-285: Improper Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-06-24T21:05:33.587Z"},"source":{"advisory":"GHSA-cqj7-h8cj-jmf2","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-cqj7-h8cj-jmf2","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-25T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-49278"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-26T03:55:30.759Z"}}]}}}