Important Cybersecurity Alert: CVE-2026-23964 Mastodon, an open-source social network server, has revealed a significant vulnerability known as CVE-2026-23964. This flaw poses serious risks for server operators and hosting providers, especially those managing Linux servers. Overview of the Incident Prior to versions 4.5.5, 4.4.12, and 4.3.18, Mastodon suffered from an insecure direct object reference in its […]













