CVE-2026-9741 — MEDIUM (6.5)

Q: How severe is CVE-2026-9741?

CVE-2026-9741 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-9741?

Check the references section above for vendor advisories and patch information. Affected products include: Mongodb Mongodb.

Vulnerability 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.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Mongodb	Mongodb	>= 7.0.0, < 7.0.35

Related Weaknesses (CWE)

CWE-319

References

https://jira.mongodb.org/browse/SERVER-123507PatchVendor AdvisoryIssue Tracking

FAQ

What is CVE-2026-9741?

CVE-2026-9741 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 wi...

How severe is CVE-2026-9741?

CVE-2026-9741 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-9741?

Check the references section above for vendor advisories and patch information. Affected products include: Mongodb Mongodb.