CVE-2026-77552 Command injection in UniFi Enterprise Audio/Video Bridge
A network-accessible attacker can execute arbitrary commands on the UniFi Enterprise Audio/Video Bridge due to improper input validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-77552?
CVE-2026-77552 is a critical command injection vulnerability in Ubiquiti Inc UniFi Enterprise Audio/Video Bridge, published on 26 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi Enterprise Audio/Video Bridge to execute a Command Injection on the device.
Weakness: CWE-20
Which versions are affected by CVE-2026-77552?
How do I fix CVE-2026-77552?
No fix has been published for CVE-2026-77552 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-2026-77552 being exploited?
There is no known exploitation of CVE-2026-77552 in the wild and no public exploit code.
Sources
Also known as GHSA-wv3m-p56q-v92r.