CVE-2026-41934 Vvveb < 1.0.8.2 Authenticated RCE via Code Editor
Authenticated users can achieve remote code execution by uploading malicious files via the admin code editor due to insufficient extension restrictions.
- 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-2026-41934?
CVE-2026-41934 is a high-severity code injection 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 authenticated remote code execution vulnerability in the admin code editor that allows low-privilege authenticated users to execute arbitrary code through insufficient file extension restrictions, with the uploaded payload then executable via subsequent unauthenticated HTTP requests. Attackers with editor, author, contributor, or site_admin roles can write a malicious .htaccess file to map arbitrary extensions to the PHP handler, then upload PHP code with that extension to achieve unauthenticated remote code execution when the file is accessed via HTTP.
Weakness: CWE-184
Which versions are affected by CVE-2026-41934?
How do I fix CVE-2026-41934?
No fix has been published for CVE-2026-41934 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-2026-41934 being exploited?
There is no known exploitation of CVE-2026-41934 in the wild and no public exploit code.
Sources
Also known as GHSA-vfjj-gcvv-w248.