CVE-2026-9750 — Metadata name collision on $-prefixed fields causes post-auth server crash
An authenticated user can cause a MongoDB server to crash or return incorrect results by creating documents that interfere with internal metadata processing during query executi…
Published: 2026-06-09 · CVSS: 7.1 · CVSS 4.0
An authenticated user can cause a MongoDB server to crash or return incorrect results by creating documents that interfere with internal metadata processing during query execution. This stems from insufficient separation between user-controlled document fields and internal metadata in certain execution paths.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7