vulnerability Multiples vulnérabilités dans les produits Mattermost (19 mai 2026) Multiple vulnerabilities have been discovered in Mattermost products, including desktop apps and server versions. These vulnerabilities could allow an attacker to elevate privileges, compromise data confidentiality, and… CERT-FR · May 19, 2026 Medium CVE-2026-3433CVE-2026-6046CVE-2026-6689vulnerabilitypatchsecurity