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 runnin…
Published: 2026-10-13 · CVSS: 7.1 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7