MongoDB Server vulnerability

An issue in MongoDB Server's query subsystem could allow an authenticated user with read privileges to cause the server process to terminate unexpectedly by submitting a specially formed query filter. This could result in a denial of service.

Published 11 Aug 2026Updated 16 Sep 20261 sources
CVSS 7.1

What happened

An issue in MongoDB Server's query subsystem could allow an authenticated user with read privileges to cause the server process to terminate unexpectedly by submitting a specially formed query filter. This could result in a denial of service.

Affected versions

MongoDB Server: 8.3.0 through before 8.3.8 (semver); 8.0 through before 8.0.29 (semver); 7.0 through before 7.0.40 (semver) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

No public PoC reference has passed the current publication threshold.