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CVE-2026-2302— Unsafe Reflection in Mongoid::Criteria.from_hash

Quick assessment

Affected
MongoDB Inc MongoDB Ruby Driver
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MongoDB Ruby Driver是MongoDB开源的一个Ruby库。 MongoDB Ruby Driver存在安全漏洞，该漏洞源于处理特制的Hash r类型值时，可能允许执行任意Ruby代码。

CVSS 6.5 · Medium EPSS 0.20% · P9

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-2302

Vulnerability Information
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Vulnerability Title
Unsafe Reflection in Mongoid::Criteria.from_hash
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
MongoDB Ruby Driver 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MongoDB Ruby Driver是MongoDB开源的一个Ruby库。 MongoDB Ruby Driver存在安全漏洞，该漏洞源于处理特制的Hash r类型值时，可能允许执行任意Ruby代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
MongoDB Inc MongoDB Ruby Driver 7.0.0 ~ 7.6.1 -

II. Public POCs for CVE-2026-2302

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III. Intelligence Information for CVE-2026-2302

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Same Patch Batch · MongoDB Inc · 2026-02-10 · 11 CVEs total

CVE-2026-25611 7.5 HIGH Pre-Authentication Memory Exhaustion Denial of Service in MongoDB Server
CVE-2026-1848 7.5 HIGH Connections received from the proxy port may not count towards total accepted connections
CVE-2026-25612 6.5 MEDIUM Internal ResourceId collision may affect unrelated collections
CVE-2026-25613 6.5 MEDIUM An unsafe cast in the MongoDB query planner can result in a segmentation fault.
CVE-2026-25610 6.5 MEDIUM Invalid $geoNear index hint may cause server crash
CVE-2026-1850 6.5 MEDIUM An authorized user may disable the MongoDB server by issuing a certain type of complex que
CVE-2026-1847 6.5 MEDIUM MongoDB Server may crash when inserting large documents
CVE-2026-1849 6.5 MEDIUM Mongod can run out of stack memory when expressions create deeply nested documents
CVE-2026-2303 6.5 MEDIUM Heap Out-of-Bounds Read in Go Driver GSSAPI C Wrappers enables application crash or inform
CVE-2026-25609 5.4 MEDIUM profile command may permit unauthorized configuration

IV. Related Vulnerabilities

Same vendor: MongoDB Inc

V. Comments for CVE-2026-2302

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