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Medium · 4.3 CVE-2026-9101 EUVD-2026-31127GHSA-hwpv-w8h7-v7qm

Prototype pollution in csv parsing

Published May 20, 2026 · Updated May 27, 2026 · Assigned by mongodb

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.

Affected products

VendorProductAffectedFixed
MongoDB Compass 1.36.3, 1.36.4, 1.37.0, 1.38.0, 1.38.1, 1.38.2, 1.39.0, 1.39.1, 1.39.2, 1.39.3, 1.39.4, 1.40.0, 1.40.1, 1.40.2, 1.40.3, 1.40.4, 1.41.0, 1.42.0, 1.42.1, 1.42.2, 1.42.3, 1.42.5, 1.43.0, 1.43.1, 1.43.2, 1.43.3, 1.43.4, 1.43.5, 1.43.6, 1.44.0, 1.44.3, 1.44.4, 1.44.5, 1.44.6, 1.44.7, 1.45.0, 1.45.1, 1.4… —

Advisories 1

References