VDB
CVE-2026-9741
CVE-2026-9741
PUBLISHED
CVSS 7.1 HIGH
Reported by mongodb · Published June 9, 2026
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.
Risk Scores
CVSS 4.0
7.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| MongoDB | MongoDB Server | 8.3.0, 8.2.0, 8.0.0 |
| MongoDB | MongoDB Server | 8.3.0, 8.2.0, 8.0.0 |
Timeline
- Jun 9, 2026 CVE Published
- Jun 10, 2026 Coalition ESS Score
- Jun 10, 2026 CVE Updated
- Jun 12, 2026 Security Advisory