CVE-2026-105329 TallCMS PluginManager ThemeManager.php code injection

Medium 5.3 Published Updated

Remote attackers can inject code into TallCMS via the ThemeManager component, potentially 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-2026-105329?

CVE-2026-105329 is a medium-severity code injection vulnerability in TallCMS, published on 5 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was determined in TallCMS up to 4.8.0. This affects an unknown function of the file packages/tallcms/cms/src/Filament/Pages/ThemeManager.php of the component PluginManager. Executing a manipulation can lead to code injection. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. This patch is called fdc18f4c6a36134f8986ca1d7e4e97092e3deb93. It is best practice to apply a patch to resolve this issue.

Weakness: CWE-94, CWE-74

Which versions are affected by CVE-2026-105329?

How do I fix CVE-2026-105329?

No fix has been published for CVE-2026-105329 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-2026-105329 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-105329 exists.

Sources

Also known as GHSA-pr2m-rphr-6wqj.

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