CVE-2026-28736Published

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

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-28736

Published

Focalboard

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

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