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.
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Fixes
Solution
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Workaround
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References
| Link | Providers |
|---|---|
| https://jira.mongodb.org/browse/SERVER-127863 |
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History
Tue, 11 Aug 2026 18:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | Improper Enforcement of Authentication Mechanism Restrictions in MongoDB Server Allows Use of Disabled Authentication Method | |
| Weaknesses | CWE-863 | |
| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: mongodb
Published:
Updated: 2026-08-11T18:33:16.705Z
Reserved: 2026-08-03T15:53:42.110Z
Link: CVE-2026-18703
No data.
Status : Received
Published: 2026-08-11T19:17:24.900
Modified: 2026-08-11T19:17:24.900
Link: CVE-2026-18703
No data.
OpenCVE Enrichment
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Weaknesses