Denial of Service Vulnerability in MongoDB Server by MongoDB Inc.
CVE-2026-18701

7.1HIGH

Key Information:

Vendor

Mongodb

Vendor
CVE Published:
11 August 2026

What is CVE-2026-18701?

A vulnerability in MongoDB Server's query subsystem allows an authenticated user with read access to craft a specially formed query filter that can unexpectedly terminate the server process. This issue may lead to service disruptions, affecting the availability of the database.

Affected Version(s)

MongoDB Server 8.3.0 < 8.3.8

MongoDB Server 8.0 < 8.0.29

MongoDB Server 7.0 < 7.0.40

References

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.