CVE-2026-72551 Apioo Fusio - Remote Code Execution
Authenticated developers can execute arbitrary OS commands on the server by bypassing the PHP sandbox allow-list, leading to full system compromise.
- 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-2026-72551?
CVE-2026-72551 is a high-severity command injection vulnerability in Apioo Fusio, published on 11 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A remote code execution vulnerability in Apioo Fusio 8.8.3 allows authenticated users with the Developer role to execute arbitrary OS commands by exploiting a PHP-Sandbox allow-list bypass. The sandbox allow-list permits functions that transitively invoke system(), enabling a developer to escape the sandbox and gain OS command execution on the server. An attacker with a Developer-role account can achieve full server compromise.
Weakness: CWE-78
Which versions are affected by CVE-2026-72551?
How do I fix CVE-2026-72551?
No fix has been published for CVE-2026-72551 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-2026-72551 being exploited?
There is no known exploitation of CVE-2026-72551 in the wild and no public exploit code.
Sources
Also known as GHSA-j2qp-grc7-qcqj.