Concrete CMS <9.5.1 - Unauthenticated File Usage Disclosure

Concrete CMS 9.5.0 and below is vulnerable to unauthenticated file usage disclosure via missing permission check in the usage controller. id: CVE-2026-6826 info: name: Concrete CMS 9.5.1 - Unauthenticated File Usage Disclosure author: str4k3r severity: medium description: | Concrete CMS 9.5.0 and...

CVE-2026-6826

Concrete CMS 9.5.0 and below is vulnerable to unauthenticated file usage disclosure via missing permission check in the usage controller. Any unauthenticated visitor can request /ccm/system/dialogs/file/usage/fID with any file ID and receive a list of every page that references that file, includi...

CVE-2026-6826

Concrete CMS 9.5.0 and below is vulnerable to unauthenticated file usage disclosure via missing permission check in the usage controller. Any unauthenticated visitor can request /ccm/system/dialogs/file/usage/fID with any file ID and receive a list of every page that references that file,...