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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2026-6231

bson_validate may skip validation when processing certain inputs

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Status
Published
Published
Updated
Assigning organization
mongodb

Description

The bson_validate function may return early on specific inputs and incorrectly report success. This behavior could result in skipping validation for BSON data, allowing malformed or invalid UTF-8 sequences to bypass validation and be processed incorrectly. The issue may affect applications that rely on these functions to validate untrusted BSON data before further processing. This issue affects MongoDB C Driver versions prior to 1.30.5, MongoDB C Driver version 2.0.0 and MongoDB C Driver version 2.0.1

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

MongoDB Inc. C Driver

Default version status: unaffected

  • 1.0 to < 1.30.5affected
  • 2.0 to < 2.0.2affected

References