CVE-2026-9101— Prototype pollution in csv parsing
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 63
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| MongoDB, Inc. | Compass | 1.36.3 | affected |
1.36.4 | affected | ||
1.37.0 | affected | ||
1.38.0 | affected | ||
1.38.1 | affected | ||
1.38.2 | affected | ||
1.39.0 | affected | ||
1.39.1 | affected | ||
| … +55 more rows | |||
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I. Basic Information for CVE-2026-9101
Vulnerability Information
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Vulnerability Title
Prototype pollution in csv parsing
Source: NVD (National Vulnerability Database)
Vulnerability Description
Prototype pollution in csv parsing logic during import can lead to untrusted file paths (but not arguments) entering shell.openExternal after specific user behavior leading to "1-click" command execution.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1321
Source: NVD (National Vulnerability Database)
Vulnerability Title
MongoDB Compass 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MongoDB Compass是美国MongoDB公司的一个免费的交互式工具。用于查询、优化和分析 MongoDB 数据。 MongoDB Compass存在安全漏洞，该漏洞源于原型污染，可能导致特定用户行为后进入shell.openExternal的不受信任文件路径，进而导致一键命令执行。
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, Inc. | Compass | 1.36.3 | - |
II. Public POCs for CVE-2026-9101
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-9101 (1)
IV. Related Vulnerabilities
Same vendor: MongoDB, Inc.
- CVE-2026-9100
Heap memory out of bounds read and crash in C Driver legacy - CVE-2026-8843
Calling createIndex with certain index types can crash mongo - CVE-2026-8202
Post-authentication CPU utilization DoS via $trim/$ltrim/$rt - CVE-2026-8336
Post-authentication use-after-free error in $_internalJsEmit - CVE-2026-8201
Use-After-Free in MongoDB FLE Query Analysis When Processing
Same weakness: CWE-1321
V. Comments for CVE-2026-9101
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