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CVE-2026-50746 Ubiquiti Inc CVE debrief

CVE-2026-50746 involves an Improper Access Control vulnerability in the UniFi Connect Application. A malicious actor with network access could exploit this vulnerability to execute Command Injection on the host device. The vulnerability has a CVSS score of 10 and is classified as CRITICAL. Administrators and users of UniFi Connect Application should be aware of this vulnerability and take necessary actions to mitigate the risk. The vulnerability allows an attacker to inject commands on the host device due to improper access control in the UniFi Connect Application.

Vendor
Ubiquiti Inc
Product
UniFi Connect Application
CVSS
CRITICAL 10
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-02
Original CVE updated
2026-07-29
Advisory published
2026-07-02
Advisory updated
2026-07-29

Who should care

Administrators and users of UniFi Connect Application should be aware of this vulnerability and take necessary actions to mitigate the risk. This includes reviewing official advisories, applying patches or updates, and monitoring the application and network for suspicious activity. Security teams and vulnerability management teams should also review the vulnerability and plan for remediation.

Technical summary

The vulnerability exists due to improper access control in the UniFi Connect Application. An attacker with network access can exploit this vulnerability to inject commands on the host device. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H. The vulnerability affects UniFi Connect Application and has a CVSS score of 10.

Defensive priority

High

Recommended defensive actions

  • Apply the patch or update to version 3.4.20 or later
  • Restrict network access to the UniFi Connect Application
  • Monitor the application and network for suspicious activity
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record was published on 2026-07-02T15:17:02.723Z and last modified on 2026-07-09T13:22:07.417Z. The NVD entry is currently Analyzed. The vulnerability affects UniFi Connect Application, and its details are sourced from CVE.org and NVD. Defenders should verify affected product deployments and review official advisories for mitigation guidance.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-50746 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-50746

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-50746 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-50746

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.