CVE-2026-18703
Last modified
CVE-2026-18703 is a medium-severity vulnerability rated 4.2/10 on the CVSS scale. 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.. EPSS estimates a 0.11% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Mongodb | Mongodb | >= 8.2.0, <= 8.2.12 | — |
| Mongodb | Mongodb | >= 8.3.0, < 8.3.8 | — |
| Mongodb | Mongodb | 9.0.0 | Alpha0 |
| Mongodb | Mongodb | 9.1.0 | Alpha0 |
References
- https://jira.mongodb.org/browse/SERVER-127863Vendor Advisory, Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
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