CVE-2026-2302

Unsafe Reflection in Mongoid::Criteria.from_hash

State: Published
Severity: 6.9 Medium
Published: Feb 10, 2026
Updated: Feb 27, 2026
Reserved: Feb 10, 2026

Description

Under specific conditions when processing a maliciously crafted value of type Hash r, Mongoid::Criteria.from_hash may allow for executing arbitrary Ruby code.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N	mongodb
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N	mongodb

Weaknesses

CWE-183 Permissive List of Allowed Inputs

Affected Products

Product	Versions
MongoDB Ruby DriverMongoDB Inc	7.0.0 through 7.6.1Affected 8.0.0 through 8.0.12Affected 8.1.0 through 8.1.12Affected 9.0.0 through 9.0.10Affected

References

https://jira.mongodb.org/browse/MONGOID-5919

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