CVE-2026-10872 Shibby Tomato Web UI rc start_vpnserver os command injection

High 8.6 Published Updated

Remote attackers can execute arbitrary OS commands via the Web UI start_vpnserver function in Shibby Tomato firmware.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-10872?

CVE-2026-10872 is a high-severity command injection vulnerability in Shibby Tomato, published on 4 Jun 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A vulnerability was found in Shibby Tomato 1.28.0000. This issue affects the function start_vpnserver of the file /sbin/rc of the component Web UI. Performing a manipulation results in os command injection. The attack can be initiated remotely. The exploit has been made public and could be used. This project is superseded by FreshTomato.

Weakness: CWE-78, CWE-77

Which versions are affected by CVE-2026-10872?

How do I fix CVE-2026-10872?

No fix has been published for CVE-2026-10872 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-2026-10872 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-10872 exists.

Sources

Also known as GHSA-f2p9-c2rc-cj7w.

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