Focalboard IDOR in file content endpoint allows cross-user file access (unsupported product, no fix)

{
                    "defaultStatus": "unaffected",
                    "product": "Focalboard",
                    "vendor": "Mattermost",
                    "versions": [
                        {
                            "lessThanOrEqual": "8.0",
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver"
                        }
                    ]
                }