CVE-2026-13066

Server-Side JavaScript DBPointer BSON Serialization Memory Disclosure

State: Published
Severity: 7.1 High
Published: Jul 22, 2026
Updated: Jul 23, 2026
Reserved: Jun 23, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	7.1 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N	mongodb
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	mongodb

Weaknesses

CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')

Affected Products

Product	Versions
MongoDB ServerMongoDB	7.0 to before 7.0.39Affected 8.0 to before 8.0.28Affected 8.2.0 to before 8.2.12Affected 8.3.0 to before 8.3.7Affected

References

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

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