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CVE PROGRAM SOURCE RECORD7.1 High

CVE-2026-9750

Metadata name collision on $-prefixed fields causes post-auth server crash

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

MongoDB MongoDB Server

Default version status: unaffected

  • 8.3.0 to < 8.3.3affected
  • 8.2.0 to < 8.2.10affected
  • 8.0.0 to < 8.0.24affected
  • 7.0.0 to < 7.0.35affected

References