CoreCVE
Back

MEDIUM

Use-After-Free in MongoDB FLE Query Analysis When Processing Positional Projections on Encrypted Fields

Published May 13, 2026

Description

A use-after-free vulnerability exists in MongoDB's Field-Level Encryption (FLE) query analysis component, affecting client-side uses of mongocryptd and crypt_shared. Triggering this vulnerability requires control over the structure of a client's FLE-related query.

This issue impacts MongoDB Server’s mongocryptd component v7.0 versions prior to 7.0.34, v8.0 versions prior to 8.0.23, v8.2 versions prior to 8.2.9 and v8.3 versions prior to 8.3.2.

Affected products

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-416

Use After Free

References (1)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mongodb
Published May 13, 2026
Updated May 13, 2026
Reserved May 8, 2026
Link CVE-2026-8201
CISA Vulnrichment
Updated May 13, 2026
NVD
Status Analyzed
Modified Jun 17, 2026
Link CVE-2026-8201
Red Hat
Severity n/a
Public date n/a
Links CVE-2026-8201