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CVE-2026-77586— MongoDB Connector for BI Unescaped Object Names in Generated SHOW CREATE Output

Quick assessment

Affected
MongoDB BI Connector
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.

在 BI 的 MongoDB 连接器中，MongoDB 的对象名称（如集合、字段和索引名称）被直接嵌入到由 语句返回的 DDL 文本中的带引号标识符中，而未对标识符分隔符（即引号）进行转义处理。 如果某用户拥有向被采样的 MongoDB 集合写入数据的权限，该用户可以故意选择一个能够提前结束带引号标识符的名称（例如在名称中包含未转义的双引号），从而使得额外的 SQL 文本成为所生成输出的一部分。 当操作员或自动化工具稍后在 SQL 服务器上重放（replay）该生成的语句时，这些额外的文本将以该会话的权限被执行，可

CVSS 8.0 · High

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
MongoDB BI Connector 2.1.0< 2.14.31 affected
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I. Basic Information for CVE-2026-77586

Vulnerability Information
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Vulnerability Title
MongoDB Connector for BI Unescaped Object Names in Generated SHOW CREATE Output
Source: CVE Program / CVE List V5
Vulnerability Description
In MongoDB Connector for BI, MongoDB object names such as collection, field, and index names are placed into the quoted identifiers of the DDL text returned by SHOW CREATE statements without escaping the identifier delimiter. A user with permission to write to a sampled MongoDB collection can choose a name that closes the quoted identifier early, so that additional SQL text becomes part of the generated output. If an operator or automated tool later replays that generated statement against a SQL server, the additional text is executed with the privileges of that session.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
MongoDB BI Connector 2.1.0 ~ 2.14.31 -

II. Public POCs for CVE-2026-77586

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III. Intelligence Information for CVE-2026-77586

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Same Patch Batch · MongoDB · 2026-08-28 · 11 CVEs total

CVE-2026-81532 8.8 HIGH BI Connector ODBC Driver Improper Bounds Checking on Cursor Name Leading to Memory Corrupt
CVE-2026-81490 7.7 HIGH MongoDB Connector for BI Improper Error Handling During Schema Sampling May Cause Loss of
CVE-2026-81517 7.5 HIGH MongoDB Connector for BI Improper Error Handling of Log Write Failures May Cause Loss of S
CVE-2026-81518 7.5 HIGH BI Connector Optional Client Certificate Verification Allows Unauthenticated Connections
CVE-2026-81520 7.5 HIGH MongoDB Connector for BI Unbounded Authentication Negotiation Leading to Connection Exhaus
CVE-2026-81533 7.1 HIGH MongoDB BI Connector ODBC Driver Memory-Safety Issue When Parsing Oversized LIMIT Values
CVE-2026-76798 6.3 MEDIUM MongoSQL Transition Readiness Tool Improper Output Encoding in Generated HTML Reports
CVE-2026-76797 6.3 MEDIUM MongoSQL Transition Readiness Tool Improper Neutralization of Formula Elements in Generate
CVE-2026-77184 5.2 MEDIUM MongoDB Connector for BI Incomplete Escaping of Stored Metadata in Generated SHOW CREATE O
CVE-2026-76794 4.6 MEDIUM MongoDB BI Connector Transition Readiness Report Improper HTML Encoding When Processing Da

IV. Related Vulnerabilities

Same product: BI Connector
Same vendor: MongoDB
Same weakness: CWE-89

V. Comments for CVE-2026-77586

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