Is CVE-2026-13066 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-13066?

CVE-2026-13066 has a CVSS v3 severity of MEDIUM (6.5).

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CVE-2026-13066

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.