CVE-2026-18690 — Improper Authorization in MongoDB Server Allows Unauthorized Actions on System Collections

CVE-2026-18690

Improper Authorization in MongoDB Server Allows Unauthorized Actions on System Collections PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
MongoDB / MongoDB Server	affected 8.3.0 before 8.3.8; affected 8.0 before 8.0.29; affected 7.0 before 7.0.40

CWE

CWE-863

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.