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OpenAdvisories
Medium · 6.5 CVE-2026-13066 EUVD-2026-47795GHSA-fq6g-pppq-26pj

Server-Side JavaScript DBPointer BSON Serialization Memory Disclosure

Published Jul 22, 2026 · Updated Jul 23, 2026 · Assigned by mongodb

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.

Affected products

VendorProductAffectedFixed
MongoDB MongoDB Server 7.0 – < 7.0.39, 8.0 – < 8.0.28, 8.2.0 – < 8.2.12, 8.3.0 – < 8.3.7 7.0.39

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Ubuntu Pro 20.04 LTS mongodb No fix yet —
Ubuntu Pro 18.04 LTS mongodb No fix yet —
Ubuntu Pro 16.04 LTS mongodb No fix yet —
Show 1 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro 14.04 LTS mongodb No fix yet —

Advisories 1

References