CVE-2026-1850CWE-770

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

High · published February 10, 2026

CVSS v4.0
7.1
EPSS
0%
Percentile
19.6
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v4.0
7.1 · HIGH
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
EPSS
0.00282 · 19.6th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2026-02-10T18:49Z
EPSS history
Timeline
  • 10 FEB 18:49Z
    An authorized user may disable the MongoDB server by issuing a certain type of complex query due to boolean expression simplification
    cvelistv5