CVE-2026-88036
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Improper Data Query Handling in MongoDB C Driver GridFS

Publication date: 2026-09-10

Last updated on: 2026-09-10

Assigner: MongoDB, Inc.

Description
Improper neutralization of special elements in data query logic in the GridFS component of the MongoDB C Driver can cause a caller-supplied structured file identifier to be interpreted as a query condition rather than as a literal identifier. An authenticated user who can influence the identifier passed by an affected application may obtain stored file content beyond the intended target or cause all GridFS file chunks in the affected bucket to be removed, rendering stored file content unreadable.

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Meta Information

Published
2026-09-10
Last Modified
2026-09-10
Generated
2026-09-10
AI Q&A
2026-09-10
EPSS Evaluated
N/A
NVD
CVE-2026-88036
EUVD
EUVD-2026-75672

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
mongodb mongodb_c_driver *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-943 The product generates a query intended to access or manipulate data in a data store such as a database, but it does not neutralize or incorrectly neutralizes special elements that can modify the intended logic of the query.

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Executive Summary

This vulnerability involves improper handling of special elements in data query logic within MongoDB's GridFS component. An authenticated user can manipulate a structured file identifier so it is treated as a query condition instead of a literal identifier. This may allow access to unintended file content or deletion of all GridFS file chunks in a bucket, making stored files unreadable.

Impact Analysis

An attacker with authenticated access could read files they should not have permission to access or delete critical files stored in GridFS. This could lead to data breaches, loss of sensitive information, or disruption of services relying on stored files.

Compliance Impact

This vulnerability could violate data protection regulations like GDPR or HIPAA by enabling unauthorized access to personal or health data. It may result in non-compliance due to unauthorized data exposure or deletion, potentially leading to legal penalties or reputational damage.

Mitigation Strategies

Update the MongoDB C Driver to the latest patched version to address the improper neutralization issue in GridFS. Review applications using GridFS to ensure file identifiers are properly validated and not interpreted as query conditions.

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