CVE-2026-124008 Dixell/Copeland XWEB EVO OS Command Injection via devices.lua
Authenticated attackers can inject OS commands via template handling to run as root on XWEB EVO controllers; operators should care.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Harmful if only installed
- No
- Needs a specific call
- No
- Fix
- None listed
What is CVE-2026-124008?
CVE-2026-124008 is a high-severity command injection vulnerability in Copeland XWEB EVO, published on 12 Nov 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
XWEB EVO 5.2.3 through 5.8.8 contains an authenticated OS command injection vulnerability in the devices.lua template handling, which allows authenticated attackers to execute arbitrary commands by injecting unescaped template source into unzip and related shell commands. Attackers can exploit this flaw through the wlua interpreter to execute arbitrary commands with root privileges on the affected device. This product line reached it's end of service date in March 2026.
Weakness: CWE-78
Which versions are affected by CVE-2026-124008?
An affected version is exposed as installed. No special setting or call is needed.
How do I fix CVE-2026-124008?
No fix has been published for CVE-2026-124008 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-2026-124008 being exploited?
There is no known exploitation of CVE-2026-124008 in the wild and no public exploit code.
Sources
Also known as GHSA-82r9-888q-6v25.