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CVE-2026-18710— Cleartext Storage of Sensitive Information in MongoDB Driver Logging During Client Initialization

Quick assessment

Affected
MongoDB MongoDB 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 Driver是美国MongoDB公司的一款数据库驱动软件。 MongoDB Driver 4.11.0至5.9.2之前版本存在日志信息泄露漏洞，该漏洞源于在常规客户端初始化期间将敏感配置信息（包括用于出站网络连接的凭据）以明文形式写入应用程序日志输出，可能导致敏感凭据泄露并被利用以认证相关网络基础设施。

CVSS 6.5 · Medium EPSS 0.14% · P3

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

Affected Version Matrix 1

VendorProduct Version RangeStatus
MongoDB MongoDB Driver 4.11.0< 5.9.2 affected
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I. Basic Information for CVE-2026-18710

Vulnerability Information
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Vulnerability Title
Cleartext Storage of Sensitive Information in MongoDB Driver Logging During Client Initialization
Source: CVE Program / CVE List V5
Vulnerability Description
A MongoDB driver component could write sensitive configuration information, including a credential used for outbound network connectivity, to application log output in cleartext during routine client initialization. This occurs automatically as part of normal operation and requires no special privileges to trigger. A party able to read the affected application's logs or downstream log-aggregation storage could recover the credential and reuse it to authenticate to the associated network infrastructure. This issue affects confidentiality only.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过日志文件的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
MongoDB Driver 日志信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MongoDB Driver是美国MongoDB公司的一款数据库驱动软件。 MongoDB Driver 4.11.0至5.9.2之前版本存在日志信息泄露漏洞，该漏洞源于在常规客户端初始化期间将敏感配置信息（包括用于出站网络连接的凭据）以明文形式写入应用程序日志输出，可能导致敏感凭据泄露并被利用以认证相关网络基础设施。
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 Driver 4.11.0 ~ 5.9.2 -

II. Public POCs for CVE-2026-18710

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III. Intelligence Information for CVE-2026-18710

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Other References for CVE-2026-18710 (1)

Same Patch Batch · MongoDB · 2026-08-11 · 25 CVEs total

CVE-2026-18692 8.8 HIGH Use-After-Free in MongoDB Timeseries Bucket Handling Leads to Denial of Service and Potent
CVE-2026-18691 8.8 HIGH Improper Authentication in MongoDB Intra-Cluster Connections Allows Credential Exposure
CVE-2026-18690 8.1 HIGH Improper Authorization in MongoDB Server Allows Unauthorized Actions on System Collections
CVE-2026-18712 8.1 HIGH Improper Authorization in MongoDB Queryable Encryption Maintenance Operations Allows Unaut
CVE-2026-18693 7.6 HIGH Out-of-Bounds Read/Write in MongoDB Timeseries Bucket Handling Leads to Denial of Service
CVE-2026-18697 7.5 HIGH Improper Input Validation in MongoDB Aggregation Framework Allows Unauthenticated Denial o
CVE-2026-18688 7.1 HIGH Out-of-Bounds Read in MongoDB Aggregation Framework Leads to Denial of Service and Potenti
CVE-2026-18694 7.1 HIGH Out-of-Bounds Read in MongoDB Geospatial Query Processing Leads to Denial of Service and P
CVE-2026-18711 7.1 HIGH Use-After-Free in MongoDB Query Execution Engine Leads to Denial of Service and Potential
CVE-2026-18687 7.1 HIGH Improper Validation in MongoDB Queryable Encryption Maintenance Operation Leads to Denial
CVE-2026-18706 6.6 MEDIUM Use-After-Free in MongoDB $graphLookup Aggregation Stage Leads to Denial of Service and Po
CVE-2026-18700 6.5 MEDIUM Use-After-Free in MongoDB Geospatial Validation Leads to Denial of Service
CVE-2026-18704 6.5 MEDIUM Improper Authorization in MongoDB Aggregation Framework Allows Read-Only User to Perform U
CVE-2026-18701 6.5 MEDIUM Type Confusion in MongoDB Query Subsystem Leads to Denial of Service
CVE-2026-18705 6.5 MEDIUM Improper Authorization in MongoDB Atlas Vector Search Allows Unauthorized Access to Protec
CVE-2026-18696 6.5 MEDIUM Improper Authorization in MongoDB applyOps Command Handling Allows Unauthorized DDL Operat
CVE-2026-18695 6.5 MEDIUM Improper Input Validation in MongoDB Timeseries Query Processing Leads to Denial of Servic
CVE-2026-18699 6.5 MEDIUM Improper Input Validation in MongoDB Query Planner Leads to Denial of Service
CVE-2026-18709 6.4 MEDIUM Missing Authorization in MongoDB Sharded Transaction Commit/Abort Handling Leads to Cross-
CVE-2026-18702 6.4 MEDIUM Improper Authorization in MongoDB profile Command Allows Unauthorized Modification of Serv

Showing top 20 of 25 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same vendor: MongoDB
Same weakness: CWE-532

V. Comments for CVE-2026-18710

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