CVE-2026-13056

A user with read access can cause a DoS by executing a specifically crafted query to consume a large amount of RAM

Published Jul 22, 2026 CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Mongodb
Mongodb mongodb Server
Vendors & Products Mongodb
Mongodb mongodb Server
Type Values Removed Values Added
Metrics ssvc

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

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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mongodb
Published
Updated
Jul 23, 2026, 2:25 PM
Reserved
Jun 23, 2026, 5:59 PM
Status
Analyzed
Published
Jul 22, 2026, 8:16 PM
Modified
Oct 24, 2026, 1:10 PM