What is CVE-2026-13075?

CVE-2026-13075 is a medium-severity vulnerability in MongoDB, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-07-22.

How severe is CVE-2026-13075?

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

Resource exhaustion in MongoDB

CVE-2026-13075

An authenticated user can cause the mongod process to be terminated by the operating system under memory pressure via the $rankFusion and $scoreFusion aggregation stages. The issue originates in the server's error-handling path and requires the ability to run aggregation queries.

EPSS: 0.002 (15.0th 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 Server — versions 8.2.0, 8.3.0

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

cna@mongodb.com (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-13075?: CVE-2026-13075 is a medium-severity vulnerability in MongoDB, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-07-22.
How severe is CVE-2026-13075?: Medium severity. CVSS v3 base score is 6.5 out of 10.