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CVE-2025-6713— MongoDB Server may be susceptible to privilege escalation due to $mergeCursors stage

Quick assessment

Affected
MongoDB Inc MongoDB Server
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MongoDB Server是美国MongoDB公司的一套开源的NoSQL数据库。该数据库提供面向集合的存储、动态查询、数据复制及自动故障转移等功能。 MongoDB Server 8.0.7之前版本、7.0.20之前版本和6.0.22之前版本存在安全漏洞，该漏洞源于对$mergeCursors阶段处理不当，可能导致未授权数据访问。

CVSS 7.7 · High EPSS 0.39% · P31

Possible ATT&CK Techniques 1 AI

T1552 · Unsecured Credentials
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I. Basic Information for CVE-2025-6713

Vulnerability Information
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Vulnerability Title
MongoDB Server may be susceptible to privilege escalation due to $mergeCursors stage
Source: CVE Program / CVE List V5
Vulnerability Description
An unauthorized user may leverage a specially crafted aggregation pipeline to access data without proper authorization due to improper handling of the $mergeCursors stage in MongoDB Server. This may lead to access to data without further authorisation. This issue affects MongoDB Server MongoDB Server v8.0 versions prior to 8.0.7, MongoDB Server v7.0 versions prior to 7.0.19 and MongoDB Server v6.0 versions prior to 6.0.22
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
MongoDB Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MongoDB Server是美国MongoDB公司的一套开源的NoSQL数据库。该数据库提供面向集合的存储、动态查询、数据复制及自动故障转移等功能。 MongoDB Server 8.0.7之前版本、7.0.20之前版本和6.0.22之前版本存在安全漏洞，该漏洞源于对$mergeCursors阶段处理不当，可能导致未授权数据访问。
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 Server 6.0 ~ 6.0.22 cpe:2.3:a:mongodb:mongodb:6.0.0:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-6713

# POC Description Source Link Shenlong Link
1 craft aggregation pipeline to access data without proper authorisation due to improper handling of $mergeCursors in MongoDB >v8.0 <8.0.7, >v7.0 <7.0.19, >v6.0 <6.0.22 https://github.com/c137req/CVE-2025-6713 POC Details
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III. Intelligence Information for CVE-2025-6713

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Same Patch Batch · MongoDB Inc · 2025-07-07 · 5 CVEs total

CVE-2025-6714 7.5 HIGH Incorrect Handling of incomplete data may prevent mongoS from Accepting New Connections
CVE-2025-6712 6.5 MEDIUM MongoDB Server may be susceptible to DoS due to Accumulated Memory Allocation
CVE-2025-7259 6.5 MEDIUM Certain Queries with Duplicate _id Fields May Cause MongoDB Server to Crash
CVE-2025-6711 4.4 MEDIUM Incomplete Redaction of Sensitive Information in MongoDB Server Logs

IV. Related Vulnerabilities

Same product: MongoDB Server
Same vendor: MongoDB Inc
Same weakness: CWE-285

V. Comments for CVE-2025-6713

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