Executive brief
A security vulnerability has been identified in Ubiquiti UniFi OS, the operating system used to manage UniFi networking and security devices. An attacker with low-level access to the network could bypass security restrictions to view sensitive system files. This could lead to the exposure of confidential information, potentially allowing for further unauthorized access to the network infrastructure.
Technical details
A path traversal vulnerability (CWE-22) exists in Ubiquiti UniFi OS devices. The flaw allows an authenticated attacker with low privileges to use specially crafted input to navigate outside of intended directories on the underlying file system. By exploiting this, a network-based attacker can read sensitive system files. The vulnerability has been assigned a CVSS v3.1 score of 7.7, noting a scope change (S:C) which indicates the impact extends beyond the immediate software component to the underlying operating system. Users are advised to refer to Ubiquiti security advisory bulletin 064 for remediation steps.
Affected products
- Ubiquiti UniFi OS
Timeline
- 2026-05-22: advisory: NVD publication date