{"$ref":"https://www.cert.ssi.gouv.fr/openapi.json","affected_systems":[{"description":"Mattermost Server versions 11.9.x ant\u00e9rieures \u00e0 11.9.2","product":{"name":"Mattermost Server","vendor":{"name":"Mattermost","scada":false}}},{"description":"Mattermost Server versions 11.7.x ant\u00e9rieures \u00e0 11.7.11","product":{"name":"Mattermost Server","vendor":{"name":"Mattermost","scada":false}}},{"description":"Mattermost Server versions 11.8.x ant\u00e9rieures \u00e0 11.8.6","product":{"name":"Mattermost Server","vendor":{"name":"Mattermost","scada":false}}}],"affected_systems_content":"","content":"## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l'\u00e9diteur pour l'obtention des correctifs (cf. section Documentation).","cves":[{"name":"CVE-2026-93851","url":"https://www.cve.org/CVERecord?id=CVE-2026-93851"}],"links":[],"reference":"CERTFR-2026-AVI-1409","revisions":[{"description":"Version initiale","revision_date":"2026-10-29T00:00:00.000000"}],"risks":[{"description":"Contournement de la politique de s\u00e9curit\u00e9"}],"summary":"Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans Mattermost Server. Elle permet \u00e0 un attaquant de provoquer un contournement de la politique de s\u00e9curit\u00e9.","title":"Vuln\u00e9rabilit\u00e9 dans Mattermost Server","vendor_advisories":[{"published_at":"2026-10-28","title":"Bulletin de s\u00e9curit\u00e9 Mattermost MMSA-2026-00742","url":"https://mattermost.com/security-updates/"}]}