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CVE-2026-1850

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

Published: Feb 10, 2026Updated: Feb 25, 2026 Sources: CVE List NVD BDUCWE-770
6.5MEDIUM
NVD MITRE
EPSS Score
0.2%
Top 84.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

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

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-770

Affected Products

MongoDB Inc
commercial·USaka mongodb, mongo
MongoDB ServerOn-premDatabase
Databases / nosql
mongodb
commercial·US
mongodbOn-premDatabase
Databases / nosql
ООО «Ред Софт»
commercial·RUaka red soft
РЕД ОСOn-premOS
Operating Systems / linux-distro
MongoDB Inc.
commercial·USaka mongodb, mongodb server, mongodb ops manager
MongoDB Query PlannerOn-prem
Databases / db-tooling

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://jira.mongodb.org/browse/SERVER-114126
jira.mongodb.org
https://jira.mongodb.org/browse/SERVER-114126
jira.mongodb.org
https://redos.red-soft.ru/search/?iblock_id=24&q=CVE-2026-1850
redos.red-soft.ru

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