CVE-2026-8201
No fix known EPSS <1%CVSS 6.4
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.
Products: MongoDB Inc. MongoDB Server
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu Pro 14.04 LTS | mongodb | no fix |
| Ubuntu Pro 16.04 LTS | mongodb | no fix |
| Ubuntu Pro 18.04 LTS | mongodb | no fix |
| Ubuntu Pro 20.04 LTS | mongodb | no fix |