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 9.5.0 and below has file usage disclosure via missing permission check in Usage controller

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,...

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,...

CVE-2026-6826

Concrete CMS 9.5.0 and below is vulnerable to unauthenticated file usage disclosure due to a missing permission check in the usage controller. An unauthenticated visitor can access /ccm/system/dialogs/file/usage/{fID} with any file ID and obtain a list of every page referencing that file, includi...

CVE-2026-6826 Concrete 9.5.0 and below has file usage disclosure via missing permission check in Usage controller

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,...

PT-2026-42540

Name of the Vulnerable Software and Affected Versions Concrete CMS versions 9.5.0 and earlier Description An issue exists where a missing permission check in the usage controller allows unauthenticated visitors to disclose file usage information. By requesting the endpoint...