{"cve":"CVE-2025-3228","nvd":{"published":"2025-06-20T15:15:20.573","modified":"2026-06-17T09:19:28.340","status":"Analyzed","description":"Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to properly retrieve requestorInfo from playbooks handler for guest users which allows an attacker access to the playbook run.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":4.3},"cwes":["CWE-863"],"references":["https://mattermost.com/security-updates"],"products":["mattermost:mattermost_server"],"source":"nvd","synced_at":"2026-10-19T22:03:23.287444849+00:00"},"epss":{"cve":"CVE-2025-3228","score":0.00294,"percentile":0.221,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-4578-6gjh-f2jm","url":"https://osv.dev/vulnerability/GHSA-4578-6gjh-f2jm","summary":"Mattermost allows an unauthorized Guest user access to Playbook","modified":"2025-07-28T20:42:12.817521Z","packages":[{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","purl":"pkg:golang/github.com/mattermost/mattermost-server","ranges":["<0.0.0-20250520060012-d0380305ef7a"],"fixed":["0.0.0-20250520060012-d0380305ef7a"]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost/server/v8","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8","ranges":["<8.0.0-20250520060012-d0380305ef7a"],"fixed":["8.0.0-20250520060012-d0380305ef7a"]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost/server/v8","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8","ranges":[">=10.5.0 <10.5.6"],"fixed":["10.5.6"]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost/server/v8","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8","ranges":[">=9.11.0 <9.11.16"],"fixed":["9.11.16"]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost/server/v8","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8","ranges":[">=10.8.0 <10.8.1"],"fixed":["10.8.1"]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost/server/v8","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8","ranges":[">=10.7.0 <10.7.3"],"fixed":["10.7.3"]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost/server/v8","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8","ranges":[">=10.6.0 <10.6.6"],"fixed":["10.6.6"]}]},{"id":"GO-2025-3771","url":"https://osv.dev/vulnerability/GO-2025-3771","summary":"Mattermost allows an unauthorized Guest user access to Playbook in github.com/mattermost/mattermost-server","modified":"2026-03-03T04:57:20.979939Z","packages":[{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","purl":"pkg:golang/github.com/mattermost/mattermost-server","ranges":["<0.0.0-20250520060012-d0380305ef7a",">=9.11.0+incompatible <9.11.16+incompatible",">=10.5.0+incompatible <10.5.6+incompatible",">=10.6.0+incompatible <10.6.6+incompatible",">=10.7.0+incompatible <10.7.3+incompatible",">=10.8.0+incompatible <10.8.1+incompatible"],"fixed":["0.0.0-20250520060012-d0380305ef7a","9.11.16+incompatible","10.5.6+incompatible","10.6.6+incompatible","10.7.3+incompatible","10.8.1+incompatible"]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server/v5","purl":"pkg:golang/github.com/mattermost/mattermost-server/v5","ranges":["all versions"],"fixed":[]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server/v6","purl":"pkg:golang/github.com/mattermost/mattermost-server/v6","ranges":["all versions"],"fixed":[]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost/server/v8","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8","ranges":["<8.0.0-20250520060012-d0380305ef7a"],"fixed":["8.0.0-20250520060012-d0380305ef7a"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}