UpHeron
All vulnerabilities

Servers and applications

CVE-2026-9741

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.

Severity
High 7.1
Published
9 Jun 2026
Last changed
23 Jul 2026
Added to UpHeron
21 Oct 2026
Fixed in
7.0.35, 8.0.24, 8.2.10, 8.3.3
Sources
NVD

Affected software

SoftwareAffected versions
MongoDBServers and applications · cpe:a:mongodb:mongodb
  • From 7.0.0 before 7.0.35
  • From 8.0.0 before 8.0.24
  • From 8.2.0 before 8.2.10
  • From 8.3.0 before 8.3.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-9741
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-9741