CVE-2026-18695 — Improper Input Validation in MongoDB Timeseries Query Processing Leads to Denial of Service

CVE-2026-18695

Improper Input Validation in MongoDB Timeseries Query Processing Leads to Denial of Service PUBLISHED

Description (CNA)

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 denial of service.

Affected (CNA)

Vendor / product	Versions
MongoDB / MongoDB Server	affected 8.3.0 before 8.3.8; affected 8.0 before 8.0.29; affected 7.0 before 7.0.40

CWE

CWE-617

References

https://jira.mongodb.org/browse/SERVER-129460

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.