# CVE-2026-13056

## Summary

- **CVE ID:** CVE-2026-13056
- **Severity:** HIGH
- **CVSS Score:** 7.1 (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)
- **CWE:** CWE-1325
- **Published:** Jul 22, 2026
- **Last Modified:** Jul 24, 2026

## Description

Using expressions that generate large arrays it is possible to craft a query that creates very large intermediate objects in memory, causing the server to crash with OOM error.

## Affected Products

- MongoDB — MongoDB Server (8.0)
- MongoDB — MongoDB Server (8.3.0)

## References

- [CNA](https://jira.mongodb.org/browse/SERVER-124355)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.40%
- **EPSS Percentile:** 33.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._