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.
History

Mon, 27 Jul 2026 23:30:00 +0000

Type Values Removed Values Added
First Time appeared Mongodb
Mongodb mongodb Server
Vendors & Products Mongodb
Mongodb mongodb Server

Thu, 23 Jul 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 22 Jul 2026 20:00:00 +0000

Type Values Removed Values Added
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.
Title A user with read access can cause a DoS by executing a specifically crafted query to consume a large amount of RAM
Weaknesses CWE-1325
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 7.1, '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mongodb

Published: 2026-07-22T19:22:27.869Z

Updated: 2026-07-23T14:25:45.170Z

Reserved: 2026-06-23T17:59:58.065Z

Link: CVE-2026-13056

cve-icon Vulnrichment

Updated: 2026-07-23T14:25:41.845Z

cve-icon NVD

No data.

cve-icon Redhat

No data.