Authenticated Ruby code execution via unrestricted method dispatch
Published Feb 10, 2026 · Updated Feb 10, 2026
Unsafe reflection in MongoDB Ruby Driver allows remote authenticated users to execute arbitrary Ruby code through a crafted criteria hash. Mongoid::Criteria.from_hash treats each attacker-controlled hash key as a method name and dispatches it with send without restricting it to query-building methods. Exposure requires an application to pass an attacker-influenced Hash to the deprecated conversion API; resulting code runs with the Ruby process's privileges.
Summary
What happened
Unsafe reflection in MongoDB Ruby Driver allows remote authenticated users to execute arbitrary Ruby code through a crafted criteria hash. Mongoid::Criteria.from_hash treats each attacker-controlled hash key as a method name and dispatches it with send without restricting it to query-building methods. Exposure requires an application to pass an attacker-influenced Hash to the deprecated conversion API; resulting code runs with the Ruby process's privileges.
The record
- CVE
- CVE-2026-2302
- Published
- Feb 10, 2026
- Updated
- Feb 10, 2026
- Vendor
- MongoDB
- Product
- MongoDB Ruby Driver
- Classifications
- CWE-183, T1059
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Feb 10, 2026CVE publishedPublication date reported by the CVE source.
- Feb 10, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=7.0.0 <=7.6.1
- Affected versionversion=8.0.0 <=8.0.12
- Affected versionversion=8.1.0 <=8.1.12
- Affected versionversion=9.0.0 <=9.0.10
What conditions does exploitation require?
What is affected?
Published CVSS scores
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Attacks
What attackers are doing with it
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Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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