CVE-2026-13066
Last modified
CVE-2026-13066 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. 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.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mongodb | Mongodb | >= 7.0.0, < 7.0.39 |
| Mongodb | Mongodb | >= 8.0.0, < 8.0.28 |
| Mongodb | Mongodb | >= 8.2.0, < 8.2.12 |
| Mongodb | Mongodb | >= 8.3.0, < 8.3.7 |
References
- https://jira.mongodb.org/browse/SERVER-127694Vendor Advisory, Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-13066?
How severe is CVE-2026-13066?
How do I fix CVE-2026-13066?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-13060An authenticated user with limited read privileges may be ab…7.1
- CVE-2026-13061An authenticated user may be able to view session metadata b…5.3
- CVE-2026-13062An authenticated user with write privileges on a Queryable E…7.1
- CVE-2026-13063An authenticated user with standard read/write privileges ca…5.3
- CVE-2026-13064Certain query operations involving deeply nested $jsonSchema…7.1
- CVE-2026-13065A user with read-only privileges is able to craft an aggrega…7.1
- CVE-2026-13067When PROXY protocol v2 is used on the Unix domain socket pat…7.2
- CVE-2026-13068An authenticated user holding cursor termination privileges …4.3
- CVE-2026-13069An authenticated user can cause excessive CPU consumption or…7.1
- CVE-2026-1307The Ninja Forms - The Contact Form Builder That Grows With Y…6.5
- CVE-2026-13070A MongoDB server initiating an outbound TLS connection may t…6
- CVE-2026-13071An authenticated user with read access can cause the mongod …7.1
Are you affected by CVE-2026-13066?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST