CVE-2026-50227

MQTT WebSocket Command Execution Vulnerability in NitroSense

Published Sep 23, 2026 CVSS 4.0 · 6.1 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

Update NitroSense to version 5.2.84 or later to fix.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Acer
Acer nitrosense V5
Vendors & Products Acer
Acer nitrosense V5
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title MQTT WebSocket Command Execution Vulnerability in NitroSense
Weaknesses CWE-306
CWE-78
References
Metrics cvssV4_0

{'score': 6.1, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Acer
Published
Updated
Sep 23, 2026, 2:51 PM
Reserved
Jun 4, 2026, 9:22 AM
Status
Deferred
Published
Sep 23, 2026, 8:17 AM
Modified
Sep 25, 2026, 1:15 PM