CVE-2026-93762

Data deletion and attribute disclosure via field-name method injection in in-memory queries

State: Published
Severity: 9.2 Critical
Published: Sep 18, 2026
Updated: Sep 21, 2026
Reserved: Sep 18, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	9.2 Critical	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	mongodb
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	mongodb

Weaknesses

CWE-470 Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')

Affected Products

Product	Versions
MongoidMongoDB Inc.	9.1.0Affected 9.0.0 through 9.0.11Affected 8.1.0 through 8.1.12Affected 8.0.0 through 8.0.12Affected 7.6.0 through 7.6.1Affected 7.5.0 through 7.5.4Affected

References

https://jira.mongodb.org/browse/MONGOID-5973

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