CVE-2026-42334

CVE-2026-42334 · Mongoose: Improper Sanitization of $nor in sanitizeFilter May Allow NoSQL Injection

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Mongoose is a MongoDB object modeling tool designed to work in an asynchronous environment. Prior to 6.13.9, 7.8.9, 8.22.1, and 9.1.6, a vulnerability allows bypassing Mongoose’s sanitizeFilter query sanitization mechanism via the $nor operator. When sanitizeFilter is enabled, Mongoose wraps query operators in $eq to neutralize them. However, prior to the fix, $nor was not included in the set of logical operators that are recursively sanitized. Because $nor accepts an array (like $and and $or), and arrays do not trigger hasDollarKeys(), malicious operators such as $ne, $gt, or $regex could be injected inside a $nor clause without being sanitized. This vulnerability is fixed in 6.13.9, 7.8.9, 8.22.1, and 9.1.6.

CVSS 7.5 · Hoch · EPSS 0,3% · Korrektur verfügbar

Veröffentlicht

2026-05-14T18:03:43.196Z

Aktualisiert

2026-05-14T18:18:06.935Z

Technologie-Stack: node

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