GalaxyDiagnostics Path Traversal Allows Physical Attackers to Read System Files
CVE-2026-21103 Published on September 9, 2026
Path traversal in GalaxyDiagnostics prior to SMR Sep-2026 Release 1 allows physical attackers to access files with system privilege.
Vulnerability Analysis
CVE-2026-21103 can be exploited with physical access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
Path Traversal: '.../...//'
The software uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize '.../...//' (doubled triple dot slash) sequences that can resolve to a location that is outside of that directory.
Products Associated with CVE-2026-21103
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Affected Versions
Samsung Mobile Devices:- Version SMR Sep-2026 Release in Android 14, 15, 16, 17 and below * is unaffected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.