{"$ref":"https://www.cert.ssi.gouv.fr/openapi.json","affected_systems":[{"description":"Mattermost Server versions 10.5.x ant\u00e9rieures \u00e0 10.5.13","product":{"name":"Mattermost Server","vendor":{"name":"Mattermost","scada":false}}},{"description":"Mattermost Server versions 10.11.x ant\u00e9rieures \u00e0 10.11.5","product":{"name":"Mattermost Server","vendor":{"name":"Mattermost","scada":false}}},{"description":"Mattermost Server versions 10.12.x ant\u00e9rieures \u00e0 10.12.2","product":{"name":"Mattermost Server","vendor":{"name":"Mattermost","scada":false}}},{"description":"Mattermost Server versions 11.0.x ant\u00e9rieures \u00e0 11.0.4","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-2025-12421","url":"https://www.cve.org/CVERecord?id=CVE-2025-12421"},{"name":"CVE-2025-12419","url":"https://www.cve.org/CVERecord?id=CVE-2025-12419"}],"links":[],"reference":"CERTFR-2025-AVI-0936","revisions":[{"description":"Version initiale","revision_date":"2025-10-29T00:00:00.000000"},{"description":"Ajout r\u00e9f\u00e9rence CVE","revision_date":"2025-12-01T00:00:00.000000"}],"risks":[{"description":"Contournement de la politique de s\u00e9curit\u00e9"}],"summary":"De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Mattermost Server. Elles permettent \u00e0 un attaquant de provoquer un contournement de la politique de s\u00e9curit\u00e9.","title":"Multiples vuln\u00e9rabilit\u00e9s dans Mattermost Server","vendor_advisories":[{"published_at":"2025-10-28","title":"Bulletin de s\u00e9curit\u00e9 Mattermost MMSA-2025-00536","url":"https://mattermost.com/security-updates/"},{"published_at":"2025-10-28","title":"Bulletin de s\u00e9curit\u00e9 Mattermost MMSA-2025-00544","url":"https://mattermost.com/security-updates/"},{"published_at":"2025-10-28","title":"Bulletin de s\u00e9curit\u00e9 Mattermost MMSA-2025-00547","url":"https://mattermost.com/security-updates/"}]}