{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-50227", "assignerOrgId": "8fc372e3-d9c5-46e4-9410-38469745c639", "state": "PUBLISHED", "assignerShortName": "Acer", "dateReserved": "2026-06-04T09:22:14.582Z", "datePublished": "2026-09-23T07:15:36.048Z", "dateUpdated": "2026-09-23T14:51:10.454Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8fc372e3-d9c5-46e4-9410-38469745c639", "shortName": "Acer", "dateUpdated": "2026-09-23T07:15:36.048Z"}, "title": "MQTT WebSocket Command Execution Vulnerability in NitroSense", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-306", "description": "CWE-306 Missing Authentication for Critical Function", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-78", "description": "CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-115", "descriptions": [{"lang": "en", "value": "CAPEC-115 Authentication Bypass"}]}, {"capecId": "CAPEC-88", "descriptions": [{"lang": "en", "value": "CAPEC-88 OS Command Injection"}]}], "affected": [{"vendor": "Acer", "product": "NitroSense V5", "platforms": ["Windows"], "versions": [{"status": "affected", "version": "*", "lessThanOrEqual": "5.2.62", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "An unauthenticated local attacker can connect to the MQTT broker over its localhost WebSocket endpoint in Acer NitroSense software (versions up to and including 5.2.62). This allows the attacker to invoke exposed ddsc RPC functions, including child_process.execSync(), resulting in arbitrary command execution in the application context.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "An unauthenticated local attacker can connect to the MQTT broker over its localhost WebSocket endpoint in Acer NitroSense software (versions up to and including 5.2.62). This allows the attacker to invoke exposed ddsc RPC functions, including child_process.execSync(), resulting in arbitrary command execution in the application context."}]}], "references": [{"url": "https://community.acer.com/en/kb/articles/20052"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "UNREPORTED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 6.1, "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U"}}], "solutions": [{"lang": "en", "value": "Update NitroSense to version 5.2.84 or later to fix.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Update NitroSense to version 5.2.84 or later to fix."}]}], "credits": [{"lang": "en", "value": "Ayush Choudhary", "type": "reporter"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-23T14:50:48.401965Z", "id": "CVE-2026-50227", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-23T14:51:10.454Z"}}]}}