What is CVE-2026-18695?

CVE-2026-18695 is a medium-severity vulnerability in Mongodb Server, classified under Reachable Assertion. CVSS score: 6.5/10. Published 2026-08-11.

How severe is CVE-2026-18695?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Mongodb Server

CVE-2026-18695

An issue in MongoDB Server's handling of certain query predicates against time-series collections with a metaField could allow an authenticated user with write access to cause the server process to terminate unexpectedly, resulting in a de…

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Mongodb Server — versions 8.3.0, 8.0, 7.0

Weakness classification (CWE)

CWE-617 — Reachable Assertion

References

cna@mongodb.com

Frequently asked questions

What is CVE-2026-18695?: CVE-2026-18695 is a medium-severity vulnerability in Mongodb Server, classified under Reachable Assertion. CVSS score: 6.5/10. Published 2026-08-11.
How severe is CVE-2026-18695?: Medium severity. CVSS v3 base score is 6.5 out of 10.