CVE-2026-44096 udhcpc Privilege Escalation
A local user can execute arbitrary commands as root in udhcpc, leading to full system compromise on Phoenix Contact devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-44096?
CVE-2026-44096 is a high-severity command injection vulnerability in Phoenix Contact CHARX SEC-3000, published on 30 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A privilege escalation vulnerability in udhcpc allows a local user "charx-web" to execute arbitrary commands as root, resulting in full system compromise.
Weakness: CWE-78
Which versions are affected by CVE-2026-44096?
How do I fix CVE-2026-44096?
No fix has been published for CVE-2026-44096 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-2026-44096 being exploited?
There is no known exploitation of CVE-2026-44096 in the wild and no public exploit code.
Sources
Also known as GHSA-rrvj-gc4g-ccjf.