CVE-2026-13075

MEDIUM

$rankFusion and $scoreFusion Unbounded Memory Allocation During Error Suggestion Generation

Title source: cna

Description

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.

References (1)

Core 1

Core References

https://jira.mongodb.org/browse/SERVER-128316

Scores

CVSS v3 6.5

EPSS 0.0024

EPSS Percentile 14.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-770

Status published

Products (2)

MongoDB/MongoDB Server 8.2.0 - 8.2.12

MongoDB/MongoDB Server 8.3.0 - 8.3.7

Published Jul 22, 2026

Tracked Since Jul 23, 2026