CVE-2026-18712

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

State: Published
Severity: 7.2 High
Published: Aug 11, 2026
Updated: Aug 11, 2026
Reserved: Aug 3, 2026

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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.

Scores

CVSS	Score	Vector	Source
4.0	7.2 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N	mongodb
3.1	8.1 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H	mongodb

Weaknesses

CWE-863 Incorrect Authorization

Affected Products

Product	Versions
MongoDB ServerMongoDB	8.3.0 to before 8.3.8Affected 8.0 to before 8.0.29Affected 7.0 to before 7.0.40Affected

References

https://jira.mongodb.org/browse/SERVER-130633

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