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CVE Vulnerability Details :
CVE-2026-9741
PUBLISHED
More InfoOfficial Page
Assigner-mongodb
Assigner Org ID-a39b4221-9bd0-4244-95fc-f3e2e07f1deb
View Known Exploited Vulnerability (KEV) details
Published At-09 Jun, 2026 | 21:56
Updated At-10 Jun, 2026 | 13:21
Rejected At-
▼CVE Numbering Authority (CNA)
Client side encryption fails to encrypt values in a $vectorSearch

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.

Affected Products
Vendor
MongoDB, Inc.MongoDB
Product
MongoDB Server
Default Status
unaffected
Versions
Affected
  • From 8.3.0 before 8.3.3 (custom)
  • From 8.2.0 before 8.2.10 (custom)
  • From 8.0.0 before 8.0.24 (custom)
  • From 7.0.0 before 7.0.35 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-319CWE-319 Cleartext transmission of sensitive information
Type: CWE
CWE ID: CWE-319
Description: CWE-319 Cleartext transmission of sensitive information
Metrics
VersionBase scoreBase severityVector
4.07.1HIGH
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
3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Version: 4.0
Base score: 7.1
Base severity: HIGH
Vector:
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
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://jira.mongodb.org/browse/SERVER-123507
N/A
Hyperlink: https://jira.mongodb.org/browse/SERVER-123507
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found