CVE-2026-104004 Collection validators using collation-accepting expressions can crash MongoDB Server on insert

MongoDB Server's collection validation feature may not properly handle certain expressions stored in a validator. In some cases, this can cause the server process to stop running when a document is later inserted. The behavior can occur for authenticated users with write access...

CVE-2026-104004

The MongoDB Server collection validation feature contains a vulnerability where it may not properly handle specific expressions stored in a validator. This flaw can cause the server process to crash and stop running when a document is subsequently inserted. The issue is triggered by collation-acc...

Collection validators using collation-accepting expressions can crash MongoDB Server on insert

MongoDB Server's collection validation feature may not properly handle certain expressions stored in a validator. In some cases, this can cause the server process to stop running when a document is later inserted. The behavior can occur for authenticated users with write access...