CVE-2026-9741
Medium
Description
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.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Mongodb
PublishedJun 9, 2026
First seenJun 9, 2026
Weakness typeCWE-319CWE-319
How to fix
Update
- mongodb mongodb7.0.35, 8.0.24, 8.2.10, 8.3.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mongodb mongodb | 7.0.0 ≤ v < 7.0.35, 8.0.0 ≤ v < 8.0.24, 8.2.0 ≤ v < 8.2.10, 8.3.0 ≤ v < 8.3.3 | 7.0.35, 8.0.24, 8.2.10, 8.3.3 |
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