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MEDIUM

CVE-2026-18700

CVSS v3

6.5

MEDIUM

EPSS Score

0.4 %

exploit probability, as of 2026-10-05

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2026-08-11
Last Modified
2026-08-11

Frequently asked questions

What is CVE-2026-18700?

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.

Is CVE-2026-18700 actively exploited?

Active exploitation of CVE-2026-18700 has not been confirmed. Its EPSS score was 0.4% on 2026-10-05, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-18700?

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

Is CVE-2026-18700 affecting your environment?

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