CVE-2026-4514 PbootCMS Backend UserController.php access control
Remote attackers with permissions can manipulate the Field argument in the backend user controller to bypass access controls and escalate privileges.
- 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-2026-4514?
CVE-2026-4514 is a medium-severity missing authorization vulnerability in PbootCMS, published on 21 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A flaw has been found in PbootCMS up to 3.2.12. Affected by this issue is some unknown functionality of the file apps/admin/controller/system/UserController.php of the component Backend. Executing a manipulation of the argument Field can lead to improper access controls. The attack may be performed from remote. The exploit has been published and may be used.
Which versions are affected by CVE-2026-4514?
How do I fix CVE-2026-4514?
No fix has been published for CVE-2026-4514 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-4514 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4514 exists.
Sources
Also known as GHSA-cj2w-m49h-94fj.