vulnerability Multiples vulnérabilités dans Mattermost Desktop App (18 juin 2026) Multiple vulnerabilities have been discovered in the Mattermost Desktop App, potentially allowing for remote denial-of-service attacks and an unspecified security issue. These vulnerabilities affect older versions of the application and require users to apply updates provided by Mattermost to mitigate the risks. CERT-FR · Jun 18, 2026 Medium CVE-2026-8075CVE-2026-9602vulnerabilitymattermostdesktop app