CVE-2026-77554
Critical
Description
A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi Talk Application to execute a Command Injection on the host device.
SeverityCritical
CVSS10.0
Exploit probability—
ProductUniFi Talk Application
PublishedAug 26, 2026
First seenAug 26, 2026
Weakness typeCWE-20Improper input validation
How to fix
Update
- Ubiquiti Inc UniFi Talk Application5.3.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Ubiquiti Inc UniFi Talk Application | v < 5.3.2 | 5.3.2 |
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