Improper access control in SmartThings prior to version 1.8.47.24 allows local attackers to access sensitive information. (CVE-2026-21084)
An improper access control vulnerability exists in SmartThings software versions prior to 1.8.47.24. This flaw allows local attackers to access sensitive information without requiring user interaction. The vulnerability has been assigned CVE-2026-21084 and is rated as medium severity based on available data.
AI Analysis
Technical Summary
CVE-2026-21084 is an improper access control vulnerability affecting SmartThings software versions before 1.8.47.24. It enables local attackers with limited privileges to access sensitive information due to insufficient enforcement of access controls. The vulnerability does not require user interaction and has a moderate impact on confidentiality with limited impact on integrity and availability. No known exploits are reported in the wild, and no official patch or vendor advisory details are currently provided.
Potential Impact
Local attackers with limited privileges can access sensitive information that should be protected by access controls. This could lead to unauthorized disclosure of confidential data within the affected SmartThings environment. There is no indication of impact on system integrity or availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict local access to trusted users only and monitor for unusual access patterns. Avoid deploying affected versions in untrusted environments.
Improper access control in SmartThings prior to version 1.8.47.24 allows local attackers to access sensitive information. (CVE-2026-21084)
Description
An improper access control vulnerability exists in SmartThings software versions prior to 1.8.47.24. This flaw allows local attackers to access sensitive information without requiring user interaction. The vulnerability has been assigned CVE-2026-21084 and is rated as medium severity based on available data.
CVSS v4.0
Affected software
pkg:github/smartthings/SmartThingsRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-21084 is an improper access control vulnerability affecting SmartThings software versions before 1.8.47.24. It enables local attackers with limited privileges to access sensitive information due to insufficient enforcement of access controls. The vulnerability does not require user interaction and has a moderate impact on confidentiality with limited impact on integrity and availability. No known exploits are reported in the wild, and no official patch or vendor advisory details are currently provided.
Potential Impact
Local attackers with limited privileges can access sensitive information that should be protected by access controls. This could lead to unauthorized disclosure of confidential data within the affected SmartThings environment. There is no indication of impact on system integrity or availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict local access to trusted users only and monitor for unusual access patterns. Avoid deploying affected versions in untrusted environments.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-3gp9-88w5-2g6f
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-21084"]
- Ecosystems
- []
- Database Specific Severity
- MODERATE
- Cvss Version
- 4.0
Threat ID: 6a79f0e1bf8831d539f62b98
Added to database: 08/10/2026, 15:40:17 UTC
Last enriched: 08/10/2026, 16:03:36 UTC
Last updated: 08/11/2026, 03:40:59 UTC
Views: 4
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