BIT-mongodb-2026-9741

vendorUSosv

Client side encryption fails to encrypt values in a $vectorSearch

view advisory published 2026-06-22Licence: per source

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.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-9741US	—OT elevated	0.10% (1st)	—	2026-06-09
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…

references

External citations — patches, advisories, analysis.

https://jira.mongodb.org/browse/SERVER-123507ADVISORY
https://nvd.nist.gov/vuln/detail/CVE-2026-9741WEB

scry

Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.

Free scan