MongoDB Mongoid up to 9.1.0 Name externally-controlled input to select classes or code

Summaryinfo

A vulnerability has been found in MongoDB Mongoid up to 9.1.0 and classified as critical. This impacts an unknown function. The manipulation of the argument Name leads to use of externally-controlled input to select classes or code. This vulnerability is traded as CVE-2026-93762. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in MongoDB Mongoid up to 9.1.0 and classified as critical. This issue affects an unknown part. The manipulation of the argument name with an unknown input leads to a use of externally-controlled input to select classes or code vulnerability. Using CWE to declare the problem leads to CWE-470. The product uses external input with reflection to select which classes or code to use, but it does not sufficiently prevent the input from selecting improper classes or code. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Mongoid contains an unsafe reflection weakness in the query path used for embedded documents. An application that passes an externally supplied field name to certain in-memory query methods may allow an unauthenticated party to obtain unintended disclosure of stored document data and to permanently remove stored records.

The advisory is shared at jira.mongodb.org. The identification of this vulnerability is CVE-2026-93762 since 09/18/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/18/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Database Software

Vendor

• MongoDB

Name

• Mongoid

Version

• 7.5.0
• 7.5.1
• 7.5.2
• 7.5.3
• 7.5.4
• 7.6.0
• 7.6.1
• 8.0.0
• 8.0.1
• 8.0.2
• 8.0.3
• 8.0.4
• 8.0.5
• 8.0.6
• 8.0.7
• 8.0.8
• 8.0.9
• 8.0.10
• 8.0.11
• 8.0.12
• 8.1.0
• 8.1.1
• 8.1.2
• 8.1.3
• 8.1.4
• 8.1.5
• 8.1.6
• 8.1.7
• 8.1.8
• 8.1.9
• 8.1.10
• 8.1.11
• 8.1.12
• 9.0
• 9.0.0
• 9.0.1
• 9.0.2
• 9.0.3
• 9.0.4
• 9.0.5
• 9.0.6
• 9.0.7
• 9.0.8
• 9.0.9
• 9.0.10
• 9.0.11
• 9.1.0

License

• open-source

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CPE 2.2info

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