CVE-2026-18703 — Improper Enforcement of Authentication Mechanism Restrictions in MongoDB Server Allows Use of Disabled Authentication…

CVE-2026-18703

Improper Enforcement of Authentication Mechanism Restrictions in MongoDB Server Allows Use of Disabled Authentication Method PUBLISHED

Description (CNA)

An issue in MongoDB Server could allow a party with a valid client certificate and a corresponding user account to authenticate using a certificate-based authentication method, even when an administrator has configured the server to restrict authentication to other mechanisms. This could allow authentication through a method the administrator intended to disable.

Affected (CNA)

Vendor / product	Versions
MongoDB / MongoDB Server	affected 8.3.0 before 8.3.8

CWE

CWE-863

References

https://jira.mongodb.org/browse/SERVER-127863

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.