{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72918", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-08-10T17:57:26.144Z", "datePublished": "2026-08-10T21:42:36.707Z", "dateUpdated": "2026-08-10T21:42:36.707Z"}, "containers": {"cna": {"title": "Rocket.Chat: Insecure implementation of websocket notifications", "problemTypes": [{"descriptions": [{"cweId": "CWE-862", "lang": "en", "description": "CWE-862: Missing Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-27jx-236m-3f5j", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-27jx-236m-3f5j"}], "affected": [{"vendor": "RocketChat", "product": "Rocket.Chat", "versions": [{"version": "< 7.10.14", "status": "affected"}, {"version": ">= 8.0.0, < 8.0.8", "status": "affected"}, {"version": ">= 8.1.0, < 8.1.7", "status": "affected"}, {"version": ">= 8.2.0, < 8.2.7", "status": "affected"}, {"version": ">= 8.3.0, < 8.3.7", "status": "affected"}, {"version": ">= 8.4.0, < 8.4.5", "status": "affected"}, {"version": ">= 8.5.0, < 8.5.2", "status": "affected"}, {"version": ">= 8.6.0, < 8.6.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-10T21:42:36.707Z"}, "descriptions": [{"lang": "en", "value": "Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 7.10.14, 8.0.8, 8.1.7, 8.2.7, 8.3.7, 8.4.5, 8.5.2, and 8.6.1, the stream-notify-user stream in the WebSocket protocol allows an authenticated user to write arbitrary notification bodies because the sender is not checked, and the client-side UI can create an ephemeral fake message in another user's currently open chat. This issue is fixed in versions 7.10.14, 8.0.8, 8.1.7, 8.2.7, 8.3.7, 8.4.5, 8.5.2, and 8.6.1."}], "source": {"advisory": "GHSA-27jx-236m-3f5j", "discovery": "UNKNOWN"}}}}

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