CVE-2026-6914— MD5 checksum creation may cause availability loss
Quick assessment
Affected
MongoDB MongoDB Server
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 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。
Possible ATT&CK Techniques 1 AI
T1496 · Resource HijackingAffected 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: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数下溢(超界折返)
Source: CVE Program / CVE List V5
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
Same product: MongoDB Server
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CVE-2026-89099
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CVE-2026-82076
Integer Overflow in Query Planner Leads to Unbounded Memory -
CVE-2026-82075
Uncontrolled Resource Consumption in MongoDB Sharded Cluster -
CVE-2026-82074
Incorrect Authorization in MongoDB Server Aggregation Framew -
CVE-2026-82071
Insufficient Validation of Storage Engine Configuration Opti
Same vendor: MongoDB
-
CVE-2026-96749
Heap out-of-bounds write via signed size overflow in BSON do -
CVE-2026-96748
Connection redirection via percent-encoded delimiter injecti -
CVE-2026-96747
Forced local Unix socket connection via dot-sock KMS endpoin -
CVE-2026-96745
PHP object injection via unsuppressible __pclass class infer -
CVE-2026-96746
Heap buffer overflow via mid-scan command list growth in cli
Same weakness: CWE-191
V. Comments for CVE-2026-6914
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