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Description

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

PUBLISHED Reserved 2026-02-03 | Published 2026-02-10 | Updated 2026-02-10 | Assigner mongodb




HIGH: 7.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

MEDIUM: 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem types

CWE-770 Allocation of Resources Without Limits or Throttling

Product status

Default status
unaffected

8.0 (semver) before 8.0.18
affected

8.2 (semver) before 8.2.4
affected

References

jira.mongodb.org/browse/SERVER-114126

cve.org (CVE-2026-1850)

nvd.nist.gov (CVE-2026-1850)

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