SB2026081855 - Prototype pollution in MongoDB Compass

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Main Vulnerability Database SB2026081855

SB2026081855 - Prototype pollution in MongoDB Compass

Published: August 18, 2026

Security Bulletin ID SB2026081855
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Prototype pollution (CVE-ID: CVE-2026-9101)

CWE-ID: CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes (\'Prototype Pollution\')

CVSSv4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to execute commands.

The vulnerability exists due to prototype pollution in csv parsing logic during import when parsing a crafted CSV file. A remote attacker can trick a victim into importing a crafted CSV file to execute commands.

User interaction is required, and exploitation depends on specific user behavior that leads to a one-click action through shell.openExternal with an untrusted file path.


Remediation

Install update from vendor's website.

References