CVE-2026-9741

Summary

A bug in query analysis processing of the $vectorSearch aggregation stage for Queryable Encryption (QE) or Client-Side Field Level Encryption (CSFLE) results in literal values for encrypted fields within the $vectorSearch stage filter expressions to be sent to the server as plaintext instead of ciphertext.

Affected Software

VendorProductVersion RangeStatus
MongoDBMongoDB Server8.3.0 < 8.3.3affected
MongoDBMongoDB Server8.2.0 < 8.2.10affected
MongoDBMongoDB Server8.0.0 < 8.0.24affected
MongoDBMongoDB Server7.0.0 < 7.0.35affected

Weaknesses

  • CWE-319: CWE-319 Cleartext transmission of sensitive information

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References