CVE-2026-2302
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Arbitrary Code Execution via Hash Injection in Mongoid Criteria

Publication date: 2026-02-10

Last updated on: 2026-02-27

Assigner: MongoDB, Inc.

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.

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Meta Information

Published
2026-02-10
Last Modified
2026-02-27
Generated
2026-07-06
AI Q&A
2026-02-10
EPSS Evaluated
2026-07-05
NVD
CVE-2026-2302
EUVD
EUVD-2026-6762

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
mongodb mongodb *

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-183 The product implements a protection mechanism that relies on a list of inputs (or properties of inputs) that are explicitly allowed by policy because the inputs are assumed to be safe, but the list is too permissive - that is, it allows an input that is unsafe, leading to resultant weaknesses.

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Executive Summary

This vulnerability occurs under specific conditions when processing a maliciously crafted value of type Hash r in the Mongoid::Criteria.from_hash method. It may allow an attacker to execute arbitrary Ruby code.

Impact Analysis

The vulnerability can lead to the execution of arbitrary Ruby code, which means an attacker could potentially run malicious commands or manipulate the system in unauthorized ways. This could compromise the integrity of your application or data.

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