AIKIDO-2026-10451
csv-parse is vulnerable to Prototype Pollution
63
Medium Risk
This Affects:
csv-parseTL;DR
Affected versions of this package are vulnerable to prototype pollution when processing user-controlled column or header names. The parser allows nested property paths to be created on plain objects without filtering special keys such as __proto__, constructor, or prototype. A crafted CSV input can therefore inject properties into Object.prototype, causing polluted values to propagate to all subsequently created objects.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
csv-parse is vulnerable to Prototype Pollution in versions 0.0.1 - 6.2.0.
How to fix this
Upgrade the csv-parse library to the patch version.
Are You Affected?
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