{"api_version":"1","generated_at":"2026-06-25T04:53:09+00:00","cve":"CVE-2026-55762","urls":{"html":"https://cve.report/CVE-2026-55762","api":"https://cve.report/api/cve/CVE-2026-55762.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-55762","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-55762"},"summary":{"title":"Rocket.Chat: Any Authenticated User Can Permanently Deregister Workspace from Rocket.Chat Cloud via Unprotected `/api/v1/fingerprint` Endpoint","description":"Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.1, 8.4.4, 8.3.6, 8.2.6, 8.1.6, 8.0.7, and 7.10.13, the POST /api/v1/fingerprint REST endpoint enforces authentication (authRequired: true) but performs no authorization check. Any authenticated user — including a standard user role account — can call this endpoint with {\"setDeploymentAs\": \"new-workspace\"} to permanently deregister the workspace from Rocket.Chat Cloud. This wipes all cloud credentials, removes the workspace license, breaks push notifications for all users, and requires manual re-registration to recover. This vulnerability is fixed in 8.5.1, 8.4.4, 8.3.6, 8.2.6, 8.1.6, 8.0.7, and 7.10.13.","state":"PUBLISHED","assigner":"GitHub_M","published_at":"2026-06-24 22:16:49","updated_at":"2026-06-24 22:16:49"},"problem_types":["CWE-862","CWE-862 CWE-862: Missing Authorization"],"metrics":[{"version":"3.1","source":"security-advisories@github.com","type":"Secondary","score":"8.1","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","baseScore":8.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"8.1","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-8hhc-j325-rxqp","name":"https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-8hhc-j325-rxqp","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-55762","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55762","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"RocketChat","product":"Rocket.Chat","version":"affected >= 8.5.0-rc.0, < 8.5.1","platforms":[]},{"source":"CNA","vendor":"RocketChat","product":"Rocket.Chat","version":"affected >= 8.4.0-rc.0, < 8.4.4","platforms":[]},{"source":"CNA","vendor":"RocketChat","product":"Rocket.Chat","version":"affected >= 8.3.0-rc.0, < 8.3.6","platforms":[]},{"source":"CNA","vendor":"RocketChat","product":"Rocket.Chat","version":"affected >= 8.2.0-rc.0, < 8.2.6","platforms":[]},{"source":"CNA","vendor":"RocketChat","product":"Rocket.Chat","version":"affected >= 8.1.0-rc.0, < 8.1.6","platforms":[]},{"source":"CNA","vendor":"RocketChat","product":"Rocket.Chat","version":"affected >= 7.11.0-rc.0, < 8.0.7","platforms":[]},{"source":"CNA","vendor":"RocketChat","product":"Rocket.Chat","version":"affected < 7.10.13","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"product":"Rocket.Chat","vendor":"RocketChat","versions":[{"status":"affected","version":">= 8.5.0-rc.0, < 8.5.1"},{"status":"affected","version":">= 8.4.0-rc.0, < 8.4.4"},{"status":"affected","version":">= 8.3.0-rc.0, < 8.3.6"},{"status":"affected","version":">= 8.2.0-rc.0, < 8.2.6"},{"status":"affected","version":">= 8.1.0-rc.0, < 8.1.6"},{"status":"affected","version":">= 7.11.0-rc.0, < 8.0.7"},{"status":"affected","version":"< 7.10.13"}]}],"descriptions":[{"lang":"en","value":"Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.1, 8.4.4, 8.3.6, 8.2.6, 8.1.6, 8.0.7, and 7.10.13, the POST /api/v1/fingerprint REST endpoint enforces authentication (authRequired: true) but performs no authorization check. Any authenticated user — including a standard user role account — can call this endpoint with {\"setDeploymentAs\": \"new-workspace\"} to permanently deregister the workspace from Rocket.Chat Cloud. This wipes all cloud credentials, removes the workspace license, breaks push notifications for all users, and requires manual re-registration to recover. This vulnerability is fixed in 8.5.1, 8.4.4, 8.3.6, 8.2.6, 8.1.6, 8.0.7, and 7.10.13."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-862","description":"CWE-862: Missing Authorization","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-06-24T21:08:01.271Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"name":"https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-8hhc-j325-rxqp","tags":["x_refsource_CONFIRM"],"url":"https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-8hhc-j325-rxqp"}],"source":{"advisory":"GHSA-8hhc-j325-rxqp","discovery":"UNKNOWN"},"title":"Rocket.Chat: Any Authenticated User Can Permanently Deregister Workspace from Rocket.Chat Cloud via Unprotected `/api/v1/fingerprint` Endpoint"}},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2026-55762","datePublished":"2026-06-24T21:08:01.271Z","dateReserved":"2026-06-17T14:34:51.880Z","dateUpdated":"2026-06-24T21:08:01.271Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-24 22:16:49","lastModifiedDate":"2026-06-24 22:16:49","problem_types":["CWE-862","CWE-862 CWE-862: Missing Authorization"],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","baseScore":8.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.2}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"55762","Ordinal":"1","Title":"Rocket.Chat: Any Authenticated User Can Permanently Deregister W","CVE":"CVE-2026-55762","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"55762","Ordinal":"1","NoteData":"Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.1, 8.4.4, 8.3.6, 8.2.6, 8.1.6, 8.0.7, and 7.10.13, the POST /api/v1/fingerprint REST endpoint enforces authentication (authRequired: true) but performs no authorization check. Any authenticated user — including a standard user role account — can call this endpoint with {\"setDeploymentAs\": \"new-workspace\"} to permanently deregister the workspace from Rocket.Chat Cloud. This wipes all cloud credentials, removes the workspace license, breaks push notifications for all users, and requires manual re-registration to recover. This vulnerability is fixed in 8.5.1, 8.4.4, 8.3.6, 8.2.6, 8.1.6, 8.0.7, and 7.10.13.","Type":"Description","Title":"Rocket.Chat: Any Authenticated User Can Permanently Deregister W"}]}}}