{"schema_version":"1.3.1","id":"GO-2026-5670","modified":"2026-06-25T22:34:38Z","published":"2026-06-25T22:34:38Z","aliases":["CVE-2026-28736","GHSA-vph7-r229-qxpf"],"summary":"Focalboard doesn't validate file ownership when serving uploaded files in github.com/mattermost/focalboard","details":"Focalboard doesn't validate file ownership when serving uploaded files in github.com/mattermost/focalboard","affected":[{"package":{"name":"github.com/mattermost/focalboard","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{}}],"references":[{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-vph7-r229-qxpf"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28736"}],"database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-5670","review_status":"UNREVIEWED"}}