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No exploitation reportedFix available

CVE-2026-50748

No exploitation reported by the sources we read.

  • Published2026-07-02
  • Fixed in4.2.29
  • WeaknessCWE-20

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A malicious actor with access to the network and low privileges could exploit an Improper Input Validation vulnerability found in UniFi Access Application to execute a Command Injection on the host device.

Timeline

dates in UTC
  1. 2026-07-0215:17CVE publishedNVD

Versions per branch

NVD
Ui unifi access
BranchAffectedFixed in
4.2< 4.2.294.2.29

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As hackerone, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Ubiquiti Inc UniFi Access Applicationother versions: not affected
    Affected
    • < 4.2.29fixed in 4.2.29semver

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-07-02

Fix

  1. Update Ui unifi access to 4.2.29

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Published
2026-07-02
Last Modified
2026-10-25
NVD status
Analyzed
GitHub Advisory
GHSA-fp2c-q39c-97j4

Frequently asked questions

What is CVE-2026-50748?

A malicious actor with access to the network and low privileges could exploit an Improper Input Validation vulnerability found in UniFi Access Application to execute a Command Injection on the host device.

Is CVE-2026-50748 actively exploited?

Active exploitation of CVE-2026-50748 has not been confirmed. Its EPSS score was 1.6% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-50748?

CVE-2026-50748 has a CVSS v3 base score of 9.9 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

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Sources for this record