{"$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 11.10.x ant\u00e9rieures \u00e0 11.10.2","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-2026-96260","url":"https://www.cve.org/CVERecord?id=CVE-2026-96260"},{"name":"CVE-2026-95666","url":"https://www.cve.org/CVERecord?id=CVE-2026-95666"},{"name":"CVE-2026-96259","url":"https://www.cve.org/CVERecord?id=CVE-2026-96259"}],"links":[],"reference":"CERTFR-2026-AVI-1212","revisions":[{"description":"Version initiale","revision_date":"2026-09-23T00:00:00.000000"}],"risks":[{"description":"D\u00e9ni de service \u00e0 distance"},{"description":"Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"}],"summary":"De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Mattermost Server. Elles permettent \u00e0 un attaquant de provoquer un d\u00e9ni de service \u00e0 distance et une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.","title":"Multiples vuln\u00e9rabilit\u00e9s dans Mattermost Server","vendor_advisories":[{"published_at":"2026-09-22","title":"Bulletin de s\u00e9curit\u00e9 Mattermost MMSA-2026-00775","url":"https://mattermost.com/security-updates/"},{"published_at":"2026-09-22","title":"Bulletin de s\u00e9curit\u00e9 Mattermost MMSA-2026-00776","url":"https://mattermost.com/security-updates/"},{"published_at":"2026-09-22","title":"Bulletin de s\u00e9curit\u00e9 Mattermost MMSA-2026-00771","url":"https://mattermost.com/security-updates/"}]}