UpHeron
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Servers and applications

CVE-2026-8201

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…

Severity
Medium 6.1
Published
13 May 2026
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
7.0.34, 8.0.23, 8.2.9, 8.3.2
Sources
NVD

Affected software

SoftwareAffected versions
MongoDBServers and applications · cpe:a:mongodb:mongodb
  • From 7.0.0 before 7.0.34
  • From 8.0.0 before 8.0.23
  • From 8.2.0 before 8.2.9
  • From 8.3.0 before 8.3.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-8201
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-8201