CVE-2026-9101 MEDIUM

CVE-2026-9101: Prototype pollution in csv parsing

Vendor Mongodb, Inc.
Product Compass
Weakness CWE-1321
Published May 20, 2026
Last update May 27, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction —
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 20, 2026 CVE published
May 27, 2026 Record updated