Is CVE-2026-18700 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-18700?

CVE-2026-18700 has a CVSS v3 severity of MEDIUM (6.5).

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CVE-2026-18700

Description

An issue in MongoDB Server's geospatial validation could allow an authenticated user with write privileges to cause an internal reference to be used after the underlying memory has been freed, through concurrent operations against a collection using a certain type of validator. This could result in a server crash, leading to a denial of service.