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CVE PROGRAM SOURCE RECORD6.1 Medium

CVE-2026-8201

Use-After-Free in MongoDB FLE Query Analysis When Processing Positional Projections on Encrypted Fields

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Status
Published
Published
Updated
Assigning organization
mongodb

Description

A use-after-free vulnerability exists in MongoDB's Field-Level Encryption (FLE) query analysis component, affecting client-side uses of mongocryptd and crypt_shared. Triggering this vulnerability requires control over the structure of a client's FLE-related query. This issue impacts MongoDB Server’s mongocryptd component v7.0 versions prior to 7.0.34, v8.0 versions prior to 8.0.23, v8.2 versions prior to 8.2.9 and v8.3 versions prior to 8.3.2.

Affected products

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

MongoDB, Inc. MongoDB Server

Default version status: unaffected

  • 7.0 to < 7.0.34affected
  • 8.0 to < 8.0.23affected
  • 8.2 to < 8.2.9affected
  • 8.3 to < 8.3.2affected

References