PT-2026-48289 · Mongodb · Mongodb Server

Published 2026-06-09 · Updated 2026-06-09 · CVE-2026-9741

NVD

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

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.

Fix

Cleartext Transmission of Sensitive Information

Weakness Enumeration

CWE-319

Related Identifiers

CVE-2026-9741

Affected Products

Mongodb Server

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-9741 · Security Note
• https://jira.mongodb.org/browse/SERVER-123507 · Note