CVE-2026-18690

An issue in MongoDB Server could allow an authenticated user with a limited database-scoped role to perform an action against protected system collections that their assigned privileges should not permit. This could result in critical system collections being dropped and recreated without proper authorization.

Score

CVSS 3.1 8.1 High

Status

Analyzed - cna@mongodb.com

Published

2026-08-11

Last modified

2026-10-23

Weaknesses

CWE-863

Affected products

• Mongodb (Mongodb)
• Mongodb Server (Mongodb)

References

• https://jira.mongodb.org/browse/SERVER-130481