CVE-2026-88033
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Improper Data Query Handling in MongoDB Java 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 Java 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. The affected rename operation may also rename a stored file other than the intended target.

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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-2026-88033
EUVD
EUVD-2026-75669

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
mongodb java_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 in the Java Driver. 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. The rename operation could also rename the wrong file.

Impact Analysis

An attacker with authenticated access could read sensitive files beyond their intended scope or delete critical files, causing data loss. This could lead to unauthorized data exposure, service disruption, or compliance violations depending on the data involved.

Compliance Impact

This vulnerability could lead to unauthorized access or deletion of sensitive data, violating GDPR's data protection principles or HIPAA's confidentiality requirements. Organizations may face legal penalties, reputational damage, or loss of compliance certifications if exploited.

Mitigation Strategies

Update the MongoDB Java Driver to the latest version that addresses this vulnerability. Review applications using GridFS to ensure file identifiers are properly validated and not interpreted as query conditions. Restrict database access to trusted users and monitor for unauthorized file access or deletion.

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