CVE-2026-13066

MEDIUM

MongoDB Server - Server-Side JavaScript DBPointer BSON Serialization Memory Disclosure

Title source: rule

Description

Improper handling of DBPointer objects during BSON serialization in MongoDB's server-side JavaScript engine can result in internal process memory contents being included in data returned to the client. This constitutes an unintended information disclosure affecting deployments that use server-side JavaScript.

References (1)

Core 1

Core References

https://jira.mongodb.org/browse/SERVER-127694

Scores

CVSS v3 6.5

EPSS 0.0023

EPSS Percentile 14.3%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-843

Status published

Products (4)

MongoDB/MongoDB Server 7.0 - 7.0.39

MongoDB/MongoDB Server 8.0 - 8.0.28

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