CVE-2026-77542 Command injection in UID Enterprise Agent
A high-privileged network attacker can execute arbitrary commands on the host via improper input validation in the UID Enterprise Agent.
- 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-2026-77542?
CVE-2026-77542 is a critical command injection vulnerability in Ubiquiti Inc UID Enterprise Agent, 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 UID Enterprise Agent to execute a Command Injection on the host device.
Weakness: CWE-20
Which versions are affected by CVE-2026-77542?
How do I fix CVE-2026-77542?
No fix has been published for CVE-2026-77542 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-2026-77542 being exploited?
There is no known exploitation of CVE-2026-77542 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-c3vq-7xv7-7gjm.