---
id: CVE-2026-9101
title: >-
  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.
summary: >-
  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.
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N'
cwe:
  - CWE-1321
published: '2026-05-20'
updated: '2026-07-23'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-9101'
references:
  - url: 'https://jira.mongodb.org/browse/COMPASS-10657'
    label: cna@mongodb.com
tags:
  - nvd
epss: 0.00413
epssPercentile: 0.35294
ingestedAt: '2026-07-23T12:17:55.548Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
