CVE-2026-5561 Campcodes Complete POS Management and Inventory System Environment Variable SettingsController.php injection

Medium 5.3 Published Updated

Remote attackers can inject code via the Environment Variable Handler in the SettingsController, potentially leading to arbitrary code execution.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-5561?

CVE-2026-5561 is a medium-severity code injection vulnerability in Campcodes Complete POS Management and Inventory System, published on 5 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was determined in Campcodes Complete POS Management and Inventory System up to 4.0.6. This affects an unknown function of the file app/Http/Controllers/SettingsController.php of the component Environment Variable Handler. Executing a manipulation can lead to injection. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized.

Weakness: CWE-74, CWE-707

Which versions are affected by CVE-2026-5561?

How do I fix CVE-2026-5561?

No fix has been published for CVE-2026-5561 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-5561 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5561 exists.

Sources

Also known as GHSA-hffx-627q-p234.

Is CVE-2026-5561 in your software?

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