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—
Product
Mongodb 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
| Product | Affected versions | Fixed in |
|---|---|---|
| mongodb c_driver | 1.0.0 ≤ v < 2.5.1 | 2.5.1 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.