HarborGuard / CVE
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HIGHCVE-2026-1850Published Modified CNA mongodb

CVE-2026-1850: An authorized user may disable the MongoDB server by issuing a certain type of complex query due to boolean expression simplification

Complex queries can cause excessive memory usage in MongoDB Query Planner resulting in an Out-Of-Memory Crash.

Metrics

CVSS v4.0
7.1
Severity
HIGH
Fixed in
8.0.18
Affected Products
1

Fix available

8.0.188.2.4
Affected packages
  • MongoDB Inc / MongoDB Server
    < 8.0.18 (from 8.0) · < 8.2.4 (from 8.2)
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N