CVE-2026-81524

Medium

Description

A weakness in the MongoDB C Driver allows special elements in caller-supplied database and collection name components to pass without sanitization when the driver composes the target namespace for an operation. An application that incorporates untrusted input into these name components can have operations directed at a resource other than the one intended.

SeverityMedium
CVSS5.4
Exploit probability—
ProductMongodb C Driver
PublishedAug 27, 2026
First seenAug 27, 2026
Weakness typeCWE-99CWE-99

How to fix

Update
  • mongodb c_driver2.5.1 or later

Affected products

ProductAffected versionsFixed in
mongodb c_driver1.0.0 ≤ v < 2.5.12.5.1

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