CVE-2026-72592 dulldusk phpfm - Unauthenticated Remote Code Execution via Unrestricted PHP File Upload

Critical 9.8 Published Updated

Unauthenticated attackers can upload and execute arbitrary PHP code due to missing upload filters and default empty authentication.

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

What is CVE-2026-72592?

CVE-2026-72592 is a critical vulnerability in dulldusk phpfm, published on 10 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An unrestricted file upload vulnerability in dulldusk/phpfm through 1.8.0 allows an unauthenticated remote attacker to execute arbitrary PHP code on the server. The application ships with an empty upload extension filter ( = array) and no authentication enabled by default (auth_pass is empty string), allowing an unauthenticated attacker to upload a PHP webshell and execute it by browsing to the uploaded path.

Weakness: CWE-434

Which versions are affected by CVE-2026-72592?

How do I fix CVE-2026-72592?

No fix has been published for CVE-2026-72592 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-72592 being exploited?

There is no known exploitation of CVE-2026-72592 in the wild and no public exploit code.

Sources

Also known as GHSA-gxgp-6wm7-xrhr.

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