July 7, 2026

CVE Watchtower


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CVE-2026-54403NVD

Vulnerability Summary

A malicious actor with access to the network could exploit a Path Traversal vulnerability found in certain devices running UniFi OS to bypass authentication of such UniFi OS devices or instances.
Severity Level
HIGH(8.6)
Published Date
Jul 2, 2026
Last Modified
Jul 2, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.48%Probability
Root Weakness (CWE)
CWE-22: Path Traversal ↗
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory.
CVSS v3.1 Base Metrics
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeChanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone

External References