SEPTEMBER 17, 2026
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Case File

CVE-2026-77543

CRITICAL · CVSS 9.9 EPSS 0.80% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-26 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

The UniFi Access Application is vulnerable to an Improper Input Validation flaw that allows low-privileged attackers with network access to execute arbitrary commands on the host device through command injection. This critical vulnerability, rated 9.9 on the CVSS scale, poses a significant risk to system integrity and confidentiality. Organizations using the affected application should prioritize immediate remediation to mitigate potential exploitation.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-77543
Severity
CRITICAL
CVSS
9.9
EPSS
0.80%

Original NVD 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.