SEPTEMBER 17, 2026
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Case File

CVE-2026-77546

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 vulnerability allows an attacker with low privileges on the network to exploit improper input validation in the UniFi Access Application, enabling command injection on the host device. This critical flaw, rated 9.9 on the CVSS scale, poses a significant risk as it can lead to unauthorized command execution, potentially compromising the entire system. Organizations using the UniFi Access Application should prioritize immediate remediation to mitigate the risk of 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-2026-77546
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.