CVE-2026-34234 Details.
CtrlPanel <= 1.1.1 - Remote Code Execution
Atlas does not check this one. Needs an outside server.
To test for this one, the site would have to contact a server outside your network and report back. Atlas does not run checks that need that, so it does not run this one.
About CVE-2026-34234. What It Means.
CtrlPanel versions <= 1.1.1 are vulnerable to unauthenticated Remote Code Execution (RCE) via the web installer endpoint (public/installer/index.php). The installer loaded and executed form handler files before checking for the install.lock gate, allowing attackers to reach installer forms on fully-deployed instances. User-supplied POST values (url, key, clientkey) from the Pterodactyl configuration form were interpolated directly into shell command strings executed via bash…
Affected Product. What Is Hit.
- Vendor
- ctrlpanel-gg
- Product
- CtrlPanel Gg CtrlPanel
FAQ
Common Questions.
CtrlPanel <= 1.1.1 - Remote Code Execution. CtrlPanel versions <= 1.1.1 are vulnerable to unauthenticated Remote Code Execution (RCE) via the web installer endpoint (public/installer/index.php). The installer loaded and executed form handler files before checking for the install.lock gate, allowing attackers to reach installer forms on fully-deployed instances. User-supplied POST values (url, key, clientkey) from the Pterodactyl configuration form were interpolated directly into shell command strings executed via bash…
No. To test for this one, the site would have to contact a server outside your network and report back. Atlas does not run checks that need that, so it does not run this one. The facts about CVE-2026-34234 are on this page, and you can request a demo to see how Brandefense watches your whole external attack surface.
CVE-2026-34234 is not on the CISA Known Exploited Vulnerabilities list at the time of writing, but it is still worth fixing.
Update CtrlPanel Gg CtrlPanel to the latest version from the vendor, or follow the vendor's advice to switch off the affected feature. Vendor links are listed on this page when they are known.
This page lists the public facts about CVE-2026-34234. Atlas does not run a check for it, so nothing here says whether a particular site is affected.