CVE-2026-41938 Vvveb < 1.0.8.2 RCE via Media Upload Handler
Authenticated attackers can upload malicious files to achieve remote code execution on Vvveb CMS installations.
- 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-2026-41938?
CVE-2026-41938 is a high-severity vulnerability in givanz Vvveb, published on 6 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Vvveb before version 1.0.8.2 contains an unrestricted file upload vulnerability in the media upload handler that allows authenticated users with media-upload permissions to bypass extension restrictions by uploading a .htaccess file to map .phtml extensions to the PHP handler. Attackers can upload a .phtml file containing arbitrary PHP code and execute the uploaded payload through a subsequent unauthenticated HTTP GET request to the uploaded file, resulting in remote code execution with web server privileges.
Weakness: CWE-434
Which versions are affected by CVE-2026-41938?
How do I fix CVE-2026-41938?
No fix has been published for CVE-2026-41938 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-41938 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-41938 exists.