CVE-2026-56720 CamaleonCMS 2.9.2 and earlier Missing Authorization via profile Action
Authenticated users can access any other user's profile data, including administrators, by manipulating the user ID parameter in the admin profile endpoint.
- 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-2026-56720?
CVE-2026-56720 is a medium-severity missing authorization vulnerability in owen2345 CamaleonCMS, published on 11 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
CamaleonCMS version 2.9.2 and earlier contains a missing authorization vulnerability in the admin users controller that allows any authenticated user to access any other user's profile data by supplying an arbitrary user ID parameter. Attackers can send a GET request to the admin profile endpoint with an enumerable sequential integer user ID to disclose profile information of any user, including administrators, due to the profile action being excluded from the role validation filter with no compensating ownership check.
Weakness: CWE-862
Which versions are affected by CVE-2026-56720?
How do I fix CVE-2026-56720?
No fix has been published for CVE-2026-56720 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-2026-56720 being exploited?
There is no known exploitation of CVE-2026-56720 in the wild and no public exploit code.
Sources
Also known as GHSA-x628-p4h4-vf39.