CVE-2026-76794— MongoDB BI Connector Transition Readiness Report Improper HTML Encoding When Processing Database Metadata
Quick assessment
Affected
MongoDB BI Connector Transition Readiness Report
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 BI Connector Transition Readiness Report是美国MongoDB公司的一份数据库系统迁移就绪评估报告。 MongoDB BI Connector Transition Readiness Report 1.0.0版本至1.1.3之前版本存在跨站脚本漏洞，该漏洞源于MongoSQL Transition Readiness Tool在生成HTML时未充分编码数据库元数据，具有数据库写访问权限的用户可引入特制元数据，当其他用户生成并打开报告时可能导致脚本代码
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| MongoDB | BI Connector Transition Readiness Report | 1.0.0< 1.1.3 |
affected |
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I. Basic Information for CVE-2026-76794
Vulnerability Information
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Vulnerability Title
MongoDB BI Connector Transition Readiness Report Improper HTML Encoding When Processing Database Metadata
Source: CVE Program / CVE List V5
Vulnerability Description
MongoSQL Transition Readiness Tool does not sufficiently encode database metadata before including it in generated HTML. A MongoDB user with write access can introduce crafted metadata that may cause script code to run when another user generates and opens the report, potentially exposing report contents or altering its display.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
MongoDB BI Connector Transition Readiness Report 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MongoDB BI Connector Transition Readiness Report是美国MongoDB公司的一份数据库系统迁移就绪评估报告。 MongoDB BI Connector Transition Readiness Report 1.0.0版本至1.1.3之前版本存在跨站脚本漏洞，该漏洞源于MongoSQL Transition Readiness Tool在生成HTML时未充分编码数据库元数据，具有数据库写访问权限的用户可引入特制元数据，当其他用户生成并打开报告时可能导致脚本代码
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 | BI Connector Transition Readiness Report | 1.0.0 ~ 1.1.3 | - |
|
II. Public POCs for CVE-2026-76794
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Pages for CVE-2026-76794 (1)
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-2026-77586 | 8.0 HIGH | MongoDB Connector for BI Unescaped Object Names in Generated SHOW CREATE Output |
| 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 |
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