CVE-2026-77535 Command injection in UniFi Network Application
High-privilege network attackers can execute arbitrary commands on adopted devices via improper input validation in UniFi Network Application.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-77535?
CVE-2026-77535 is a critical command injection vulnerability in Ubiquiti Inc UniFi Network Application, published on 26 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerability found in UniFi Network Application to execute a Command Injection on an adopted device.
Weakness: CWE-20
Which versions are affected by CVE-2026-77535?
How do I fix CVE-2026-77535?
No fix has been published for CVE-2026-77535 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-77535 being exploited?
There is no known exploitation of CVE-2026-77535 in the wild and no public exploit code.
Sources
Also known as GHSA-4x5m-2wr7-9qq6.