Ghostwire

CVE-2026-8201: A use-after-free vulnerability exists in MongoDB's Field-Level Encryption (FLE) query analysis component, affecting...

MEDIUM CVSS 5.5 EPSS 0.02%

Published: May 13, 2026 | Last Modified: 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.

Ghostwire Analysis — What This Means Practically

Exploitation Probability (EPSS): Low — 0.02% (6th percentile)

Low exploitation probability based on current threat landscape data. Standard patching timeline is appropriate.

This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.

Security Coverage (2 articles)

References