Ruby Code Execution Vulnerability in Mongoid products by MongoDB
CVE-2026-2302

6.9MEDIUM

Key Information:

Vendor

MongoDB
Status
Mongodb Ruby Driver
Vendor
CVE Published:
10 February 2026

What is CVE-2026-2302?

A vulnerability exists in Mongoid's processing of Hash-type parameters that can potentially allow an attacker to execute arbitrary Ruby code. This occurs under certain specific conditions when crafting a malicious value that gets processed by Mongoid::Criteria.from_hash. Systems utilizing affected versions of Mongoid are urged to assess their configurations and apply necessary mitigations or updates.

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Deploy the Patch

Affected Version(s)

MongoDB Ruby Driver 7.0.0 <= 7.6.1

MongoDB Ruby Driver 8.0.0 <= 8.0.12

MongoDB Ruby Driver 8.1.0 <= 8.1.12

References

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

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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