CVE-2026-56721
CamaleonCMS version 2.9.2 and earlier contains a privilege escalation vulnerability via insecure direct object reference (IDOR) that allows
CVSS
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Publicado: 11 ago 2026 · Última mod.: 11 ago 2026 · CWE-639
Sin historial EPSS suficiente todavía.
CamaleonCMS version 2.9.2 and earlier contains a privilege escalation vulnerability via insecure direct object reference (IDOR) that allows authenticated low-privileged attackers to overwrite any user's credentials by exploiting a parameter confusion flaw between the authorization filter and action body in the UsersController. Attackers can send a PATCH request to the updated_ajax endpoint setting params[:id] to their own user ID to pass the self-authorization check while simultaneously setting params[:user_id] to a victim's ID, causing the controller to load and mutate the victim's account, including overwriting administrator passwords to achieve full site takeover.
- github.comhttps://github.com/owen2345/camaleon-cms
- github.comhttps://github.com/owen2345/camaleon-cms/commit/26345034523a505cb01615509b7f0a665e89ae3e
- github.comhttps://github.com/owen2345/camaleon-cms/pull/1185
- www.vulncheck.comhttps://www.vulncheck.com/advisories/camaleoncms-privilege-escalation-via-parameter-confusion-in-userscontroller
CVECVSSEPSSKEVRExplotTítuloVis.
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