CVE-2026-6914— MD5 checksum creation may cause availability loss
Affected Version Matrix 4
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| MongoDB | MongoDB Server | 8.2.0< 8.2.7 | affected |
8.1.0≤ 8.1.* | affected | ||
8.0.0< 8.0.21 | affected | ||
7.0.0< 7.0.32 | affected |
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I. Basic Information for CVE-2026-6914
Vulnerability Information
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Vulnerability Title
MD5 checksum creation may cause availability loss
Source: NVD (National Vulnerability Database)
Vulnerability Description
Computing the MD5 checksum of a malformed BSON object under specific conditions may cause loss of availability in MongoDB server. This issue affects all MongoDB Server v8.2 versions, all MongoDB Server v8.1 versions, MongoDB Server v8.0 versions prior to 8.0.21, MongoDB Server v7.0 versions prior to 7.0.32
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
整数下溢(超界折返)
Source: NVD (National Vulnerability Database)
Vulnerability Title
MongoDB Server 数字错误漏洞
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存在数字错误漏洞，该漏洞源于计算畸形BSON对象的MD5校验和可能导致服务不可用。以下版本受到影响：MongoDB Server v8.2版本、MongoDB Server v8.1版本、MongoDB Server v8.0 8.0.21之前版本和MongoDB Server v7.0 7.0.32之前版本。
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 | MongoDB Server | 8.2.0 ~ 8.2.7 | - |
II. Public POCs for CVE-2026-6914
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
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Use-After-Free in MongoDB FLE Query Analysis When Processing - CVE-2026-8200
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Same vendor: MongoDB
- CVE-2026-6915
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MongoDB BI Connector ODBC driver installation via MSI may le
Same weakness: CWE-191
- CVE-2026-42268
ModSecurity: Unsigned integer underflow in @verifySSN / @ver - CVE-2026-34672
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Windows Common Log File System Driver Elevation of Privilege - CVE-2026-7736
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V. Comments for CVE-2026-6914
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