CVE-2026-18712

HIGH

Improper Authorization in MongoDB Queryable Encryption Maintenance Operations Allows Unauthorized Modification of Other Collections

Title source: CVE List
STIX 2.1 vulnerability

Record summary

CVE-2026-18712 has a selected CVSS score of 7.2 (high).

Description

An issue in MongoDB Server's Queryable Encryption maintenance operations could allow an authenticated user with privileges on one encrypted collection to cause unauthorized modification or destruction of data belonging to a different collection. This is due to insufficient validation of certain internal metadata references before they are used to perform operations on other namespaces.

Description source: CVE List

Exploitation context

CISA SSVC decision

ExploitationNone
AutomatableNo
Technical impactPartial

CISA Coordinator · SSVC 2.0.3 · Evaluated Aug 11, 2026 · Source: CVE List

Affected products and versions

1
ProductSourceVersion range

MongoDB Server

Browse MongoDB / MongoDB Server

Default status: unaffected

CVE List8.3.0 to < 8.3.8affected
8.0 to < 8.0.29affected
7.0 to < 7.0.40affected

References

2