Concrete CMS <9.5.1 - Unauthenticated File-Usage Internal Metadata Disclosure

Concrete CMS 9.5.0 and below is vulnerable to IDOR combined with a missing authentication gate. The endpoint /ccm/system/dialogs/file/usage/fID accepts an integer file ID in the URL and returns internal site structure data page IDs, versions, URL paths to anyone who sends a GET request. id:...

CVE-2026-8236

Concrete CMS 9.5.0 and below is vulnerable to IDOR combined with a missing authentication gate. The endpoint /ccm/system/dialogs/file/usage/fID accepts an integer file ID in the URL and returns internal site structure data page IDs, versions, URL paths to anyone who sends a GET request. The...

Missing Authorization

Overview concrete5/concrete5 is a concrete5 open source CMS. Affected versions of this package are vulnerable to Missing Authorization via the /ccm/system/dialogs/file/usage/fID endpoint. An attacker can access internal site structure data, including page IDs, versions, and URL paths, by sending ...

EUVD-2026-31347

Concrete CMS 9.5.0 and below is vulnerable to IDOR combined with a missing authentication gate. The endpoint /ccm/system/dialogs/file/usage/fID accepts an integer file ID in the URL and returns internal site structure data page IDs, versions, URL paths to anyone who sends a GET request. The...

CVE-2026-8236

Concrete CMS 9.5.0 and below is vulnerable to IDOR combined with a missing authentication gate. The endpoint /ccm/system/dialogs/file/usage/fID accepts an integer file ID in the URL and returns internal site structure data page IDs, versions, URL paths to anyone who sends a GET request. The...

CVE-2026-8236 Concrete CMS 9.5.0 and below is vulnerable to IDOR combined with a missing authentication gate for endpoint /ccm/system/dialogs/file/usage/{fID}

Concrete CMS 9.5.0 and below is vulnerable to IDOR combined with a missing authentication gate. The endpoint /ccm/system/dialogs/file/usage/fID accepts an integer file ID in the URL and returns internal site structure data page IDs, versions, URL paths to anyone who sends a GET request. The...

CVE-2026-8236

Concrete CMS 9.5.0 and below is vulnerable to IDOR combined with a missing authentication gate. The endpoint /ccm/system/dialogs/file/usage/fID accepts an integer file ID in the URL and returns internal site structure data page IDs, versions, URL paths to anyone who sends a GET request. The...

CVE-2026-8236 Concrete CMS 9.5.0 and below is vulnerable to IDOR combined with a missing authentication gate for endpoint /ccm/system/dialogs/file/usage/{fID}

Concrete CMS 9.5.0 and below is vulnerable to IDOR combined with a missing authentication gate. The endpoint /ccm/system/dialogs/file/usage/fID accepts an integer file ID in the URL and returns internal site structure data page IDs, versions, URL paths to anyone who sends a GET request. The...

CVE-2026-8236 Concrete CMS 9.5.0 and below is vulnerable to IDOR combined with a missing authentication gate for endpoint /ccm/system/dialogs/file/usage/{fID}

Concrete CMS 9.5.0 and below is vulnerable to IDOR combined with a missing authentication gate. The endpoint /ccm/system/dialogs/file/usage/fID accepts an integer file ID in the URL and returns internal site structure data page IDs, versions, URL paths to anyone who sends a GET request. The...

CVE-2026-8236

Concrete CMS 9.5.0 and earlier is affected by an IDOR flaw due to a missing authentication gate on GET requests to /ccm/system/dialogs/file/usage/{fID}. The endpoint accepts an integer file ID and can disclose internal site structure data (page IDs, versions, URL paths) to unauthenticated users. ...

PT-2026-42558

Name of the Vulnerable Software and Affected Versions Concrete CMS versions 9.5.0 and earlier Description An Insecure Direct Object Reference IDOR, which occurs when an application provides direct access to objects based on user-supplied input, combined with a missing authentication gate allows...