What is CVE-2026-1850?

CVE-2026-1850 is a medium-severity vulnerability in Mongodb, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-02-10.

How severe is CVE-2026-1850?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Mongodb

CVE-2026-1850

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

EPSS: 0.002 (15.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Mongodb
Mongodb Inc Server — versions 8.0, 8.2

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

cna@mongodb.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-1850?: CVE-2026-1850 is a medium-severity vulnerability in Mongodb, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-02-10.
How severe is CVE-2026-1850?: Medium severity. CVSS v3 base score is 6.5 out of 10.