{"$ref":"https://www.cert.ssi.gouv.fr/openapi.json","affected_systems":[{"description":"Mail versions 4.x et 5.x ant\u00e9rieures \u00e0 5.5.16","product":{"name":"Mail","vendor":{"name":"Nextcloud","scada":false}}},{"description":"Mail versions 5.7.x ant\u00e9rieures \u00e0 5.7.13","product":{"name":"Mail","vendor":{"name":"Nextcloud","scada":false}}},{"description":"Mail versions 3.5.x \u00e0 3.7.x ant\u00e9rieures \u00e0 3.7.25","product":{"name":"Mail","vendor":{"name":"Nextcloud","scada":false}}},{"description":"Server versions 32.0.10 \u00e0 32.0.x ant\u00e9rieures \u00e0 32.0.12 pour nextcloud et nextcloud enterprise","product":{"name":"Server","vendor":{"name":"Nextcloud","scada":false}}},{"description":"Server versions 33.0.4 \u00e0 33.0.x ant\u00e9rieures \u00e0 33.0.6 pour nextcloud et nextcloud enterprise","product":{"name":"Server","vendor":{"name":"Nextcloud","scada":false}}},{"description":"Server versions 34.0.x ant\u00e9rieures \u00e0 34.0.1 pour nextcloud","product":{"name":"Server","vendor":{"name":"Nextcloud","scada":false}}},{"description":"Mail versions 5.6.x ant\u00e9rieures \u00e0 5.6.20","product":{"name":"Mail","vendor":{"name":"Nextcloud","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-2026-61545","url":"https://www.cve.org/CVERecord?id=CVE-2026-61545"},{"name":"CVE-2026-61527","url":"https://www.cve.org/CVERecord?id=CVE-2026-61527"}],"links":[],"reference":"CERTFR-2026-AVI-0973","revisions":[{"description":"Version initiale","revision_date":"2026-08-06T00:00:00.000000"}],"risks":[{"description":"Contournement de la politique de s\u00e9curit\u00e9"},{"description":"Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"}],"summary":"De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans les produits Nextcloud. Elles permettent \u00e0 un attaquant de provoquer une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es et un contournement de la politique de s\u00e9curit\u00e9.","title":"Multiples vuln\u00e9rabilit\u00e9s dans les produits Nextcloud","vendor_advisories":[{"published_at":"2026-08-05","title":"Bulletin de s\u00e9curit\u00e9 Nextcloud GHSA-99gw-ww6p-f2rr","url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-99gw-ww6p-f2rr"},{"published_at":"2026-08-05","title":"Bulletin de s\u00e9curit\u00e9 Nextcloud GHSA-vq3v-jv6f-6xp2","url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vq3v-jv6f-6xp2"}]}