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CVE PROGRAM SOURCE RECORD2.0 Low

CVE-2026-81523

Cross-tenant database retargeting via dot/NUL injection in namespace strings in libmongocrypt

Description

A missing input-validation issue in MongoDB libmongocrypt's automatic-encryption context setup allows a caller-supplied database identifier to be accepted without sanitization. The resulting impact is limited to incorrect schema selection, which may lead to limited disclosure or modification of information handled by the application.

Affected products

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

MongoDB libmongocrypt

Default version status: unaffected

  • 1.0.0 to < 1.20.3affected

References