{"id":"GO-2025-3771","summary":"Mattermost allows an unauthorized Guest user access to Playbook in github.com/mattermost/mattermost-server","details":"Mattermost allows an unauthorized Guest user access to Playbook in github.com/mattermost/mattermost-server","aliases":["CVE-2025-3228","GHSA-4578-6gjh-f2jm"],"modified":"2026-03-03T04:57:20.979939Z","published":"2025-07-28T19:57:13Z","database_specific":{"review_status":"UNREVIEWED","url":"https://pkg.go.dev/vuln/GO-2025-3771"},"references":[{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-4578-6gjh-f2jm"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-3228"},{"type":"WEB","url":"https://mattermost.com/security-updates"}],"affected":[{"package":{"name":"github.com/mattermost/mattermost-server","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost-server"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.0.0-20250520060012-d0380305ef7a"},{"introduced":"9.11.0+incompatible"},{"fixed":"9.11.16+incompatible"},{"introduced":"10.5.0+incompatible"},{"fixed":"10.5.6+incompatible"},{"introduced":"10.6.0+incompatible"},{"fixed":"10.6.6+incompatible"},{"introduced":"10.7.0+incompatible"},{"fixed":"10.7.3+incompatible"},{"introduced":"10.8.0+incompatible"},{"fixed":"10.8.1+incompatible"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2025-3771.json"}},{"package":{"name":"github.com/mattermost/mattermost-server/v5","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost-server/v5"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2025-3771.json"}},{"package":{"name":"github.com/mattermost/mattermost-server/v6","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost-server/v6"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2025-3771.json"}},{"package":{"name":"github.com/mattermost/mattermost/server/v8","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"8.0.0-20250520060012-d0380305ef7a"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2025-3771.json"}}],"schema_version":"1.7.3"}