Security advisory: CVE-2026-9740 and CVE-2026-11933 in Percona Server for MongoDB (opens in new tab)

TL;DR: This advisory covers the two most important high-severity memory-safety vulnerabilities affecting MongoDB Community and our downstream Percona Server for MongoDB – CVE-2026-11933 and CVE-2026-9740. Both will be addressed in a single coordinated patch release, bundled with other recently revealed lower-scored CVE fixes: CVE-2026-9753, CVE-2026-9752, CVE-2026-9751, CVE-2026-9750, CVE-2026-9749, CVE-2026-9748, CVE-2026-9747, CVE-2026-9746, CVE-2026-9743, and CVE-2026-9741. Fixes land … Th...