CVE-2026-21133: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Samsung Mobile Samsung Flow
Description
CVE-2026-21133 is a path traversal vulnerability in Samsung Flow prior to version 4.9.22.1. This flaw allows local attackers to access clipboard data by improperly limiting pathname access to restricted directories. The vulnerability has a medium severity rating with a CVSS 4.0 score of 5.1. No official patch or vendor advisory details are provided in the input data.
CVSS v4.0
Score 5.1medium
Affected software
Samsung Mobile
Samsung Flow
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-22) in Samsung Flow versions before 4.9.22.1 allows local attackers to perform path traversal attacks. By exploiting insufficient restrictions on pathname inputs, attackers can access clipboard data that should be protected. The CVSS 4.0 vector indicates local attack vector with low complexity and no privileges or user interaction required, but with limited confidentiality impact.
Potential Impact
An attacker with local access can exploit this vulnerability to read clipboard data, potentially exposing sensitive information stored temporarily in the clipboard. The impact is limited to confidentiality and requires local access, reducing the overall risk compared to remote exploits.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor Samsung Mobile advisories for updates and consider restricting local access to trusted users until a fix is available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- SamsungMobile
- Date Reserved
- 2025-12-11T01:33:35.833Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6acc6a402cdf04f656613740
Added to database: 10/12/2026, 05:04:00 UTC
Last enriched: 10/12/2026, 05:18:50 UTC
Last updated: 10/12/2026, 18:57:56 UTC
Views: 21
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