CVE-2026-103965
Received
Received - Intake
MongoDB Server Aggregation Framework Information Disclosure
Vulnerability report for CVE-2026-103965, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-10-13
Last updated on: 2026-10-13
Assigner: MongoDB, Inc.
Description
Description
An issue in MongoDB Server's aggregation framework can cause certain constant values to be handled incorrectly during internal query rewriting. Under certain conditions, an authenticated user with read access may receive field values in aggregation output that the query did not intend to return.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| MongoDB | MongoDB | Server 8.3.0 |
| MongoDB | MongoDB | Server 8.0 |
| MongoDB | MongoDB | Server 7.0 |
| MongoDB | MongoDB | Server 9.0 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-94 | The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. |
