{"$ref":"https://www.cert.ssi.gouv.fr/openapi.json","affected_systems":[{"description":"Mattermost Server versions 11.2.x ant\u00e9rieures \u00e0 11.2.0","product":{"name":"Mattermost Server","vendor":{"name":"Mattermost","scada":false}}},{"description":"Mattermost Server versions 11.0.x ant\u00e9rieures \u00e0 11.0.7","product":{"name":"Mattermost Server","vendor":{"name":"Mattermost","scada":false}}},{"description":"Mattermost Server versions 10.11.x ant\u00e9rieures \u00e0 10.11.9","product":{"name":"Mattermost Server","vendor":{"name":"Mattermost","scada":false}}},{"description":"Mattermost Server versions 11.1.x ant\u00e9rieures \u00e0 11.1.2","product":{"name":"Mattermost Server","vendor":{"name":"Mattermost","scada":false}}},{"description":"Mattermost Server versions 10.12.x ant\u00e9rieures \u00e0 10.12.4","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-2025-64641","url":"https://www.cve.org/CVERecord?id=CVE-2025-64641"},{"name":"CVE-2025-14435","url":"https://www.cve.org/CVERecord?id=CVE-2025-14435"},{"name":"CVE-2025-14822","url":"https://www.cve.org/CVERecord?id=CVE-2025-14822"},{"name":"CVE-2025-12689","url":"https://www.cve.org/CVERecord?id=CVE-2025-12689"},{"name":"CVE-2025-14273","url":"https://www.cve.org/CVERecord?id=CVE-2025-14273"}],"links":[],"reference":"CERTFR-2025-AVI-1122","revisions":[{"description":"Version initiale","revision_date":"2025-12-18T00:00:00.000000"},{"description":"Ajout CVE-2025-12689 suite \u00e0 mise \u00e0 jour MMSA-2025-00539","revision_date":"2025-12-19T00:00:00.000000"},{"description":"Ajout des identifiants CVE-2025-14435, CVE-2025-14822 et CVE-2025-64641.","revision_date":"2026-01-16T00:00:00.000000"}],"risks":[{"description":"D\u00e9ni de service \u00e0 distance"},{"description":"Non sp\u00e9cifi\u00e9 par l'\u00e9diteur"},{"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 des probl\u00e8mes de s\u00e9curit\u00e9 non sp\u00e9cifi\u00e9s par l'\u00e9diteur.","title":"Multiples vuln\u00e9rabilit\u00e9s dans Mattermost Server","vendor_advisories":[{"published_at":"2025-12-18","title":"Bulletin de s\u00e9curit\u00e9 Mattermost MMSA-2025-00555","url":"https://mattermost.com/security-updates/"},{"published_at":"2025-12-17","title":"Bulletin de s\u00e9curit\u00e9 Mattermost MMSA-2025-00539","url":"https://mattermost.com/security-updates/"},{"published_at":"2025-12-17","title":"Bulletin de s\u00e9curit\u00e9 Mattermost MMSA-2025-00567","url":"https://mattermost.com/security-updates/"},{"published_at":"2025-12-17","title":"Bulletin de s\u00e9curit\u00e9 Mattermost MMSA-2025-00543","url":"https://mattermost.com/security-updates/"},{"published_at":"2025-11-26","title":"Bulletin de s\u00e9curit\u00e9 Mattermost MMSA-2025-00551","url":"https://mattermost.com/security-updates/"}]}