Improper handling of DBPointer objects during BSON serialization in MongoDB's server-side JavaScript engine can result in internal process memory… (CVE-2026-13066)
A vulnerability in MongoDB's server-side JavaScript engine involves improper handling of DBPointer objects during BSON serialization. This flaw can cause internal process memory contents to be unintentionally included in data returned to clients, leading to information disclosure. The issue affects deployments that utilize server-side JavaScript. No patch or remediation details are currently provided. There is no evidence of known exploits in the wild at this time.
AI Analysis
Technical Summary
CVE-2026-13066 is a vulnerability in MongoDB where improper handling of DBPointer objects during BSON serialization in the server-side JavaScript engine can result in internal process memory being leaked to clients. This unintended information disclosure arises specifically in environments using server-side JavaScript. The vulnerability is categorized under CWE-843 (Access of Resource Using Incompatible Type). No patch or official remediation guidance is currently available, and the affected versions are not explicitly stated.
Potential Impact
The vulnerability can lead to unintended disclosure of internal process memory contents to clients, potentially exposing sensitive information. This impacts confidentiality but does not indicate direct integrity or availability compromise. The issue is relevant only to MongoDB deployments that use server-side JavaScript, limiting the scope of affected environments.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider disabling server-side JavaScript if feasible or restrict access to trusted clients to minimize exposure.
Improper handling of DBPointer objects during BSON serialization in MongoDB's server-side JavaScript engine can result in internal process memory… (CVE-2026-13066)
Description
A vulnerability in MongoDB's server-side JavaScript engine involves improper handling of DBPointer objects during BSON serialization. This flaw can cause internal process memory contents to be unintentionally included in data returned to clients, leading to information disclosure. The issue affects deployments that utilize server-side JavaScript. No patch or remediation details are currently provided. There is no evidence of known exploits in the wild at this time.
CVSS v4.0
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-13066 is a vulnerability in MongoDB where improper handling of DBPointer objects during BSON serialization in the server-side JavaScript engine can result in internal process memory being leaked to clients. This unintended information disclosure arises specifically in environments using server-side JavaScript. The vulnerability is categorized under CWE-843 (Access of Resource Using Incompatible Type). No patch or official remediation guidance is currently available, and the affected versions are not explicitly stated.
Potential Impact
The vulnerability can lead to unintended disclosure of internal process memory contents to clients, potentially exposing sensitive information. This impacts confidentiality but does not indicate direct integrity or availability compromise. The issue is relevant only to MongoDB deployments that use server-side JavaScript, limiting the scope of affected environments.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider disabling server-side JavaScript if feasible or restrict access to trusted clients to minimize exposure.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-fq6g-pppq-26pj
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-13066"]
- Ecosystems
- []
- Database Specific Severity
- HIGH
- Cvss Version
- 4.0
Threat ID: 6a6150dc9c2644c7f8da12d0
Added to database: 07/22/2026, 23:23:08 UTC
Last enriched: 07/22/2026, 23:33:37 UTC
Last updated: 07/23/2026, 02:51:54 UTC
Views: 2
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