CVE-2026-8201 Affecting mongodb package, versions *


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.13% (3rd percentile)

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  • Snyk IDSNYK-UBUNTU1804-MONGODB-16714258
  • published11 Sept 2026
  • disclosed13 May 2026

Introduced: 13 May 2026

CVE-2026-8201  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:18.04 mongodb.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mongodb package and not the mongodb package as distributed by Ubuntu. See How to fix? for Ubuntu:18.04 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1