Improper Input Validation in UniFi OS Devices by Ubiquiti
CVE-2026-47369

9.9CRITICAL

Key Information:

Vendor

Ubiquiti Inc

Status
Unifi Os Server
Express
Udm
Udm-pro
Vendor
CVE Published:
12 June 2026

What is CVE-2026-47369?

An improper input validation vulnerability in Ubiquiti's UniFi OS allows a low-privileged attacker with network access to exploit the flaw and escalate their privileges on affected devices. This vulnerability poses significant risks, as it can lead to unauthorized access and manipulation of device settings, potentially compromising the security of the network. Users are advised to review their system configurations and apply the latest updates to mitigate this risk.

Affected Version(s)

EFG 0 < 5.1.15

ENVR 0 < 5.1.15

ENVR-Core 0 < 5.1.15

References

https://community.ui.com/releases/Security-Advisory-Bulle...

CVSS V3.1

Score:
9.9
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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