CVE-2026-88032

Summary

A use-after-free in the reactive client-side encryption component of the MongoDB Java Driver can cause native resources to be freed while an affected encrypted operation is still using them when the operation is cancelled. A party able to cause such an operation to be cancelled may cause the hosting application process to terminate. Reaching the issue requires an affected reactive encryption configuration that retrieves KMS credentials on demand.

Affected Software

VendorProductVersion RangeStatus
MongoDBJava Driver4.2.0 < 5.11.1affected
MongoDBorg.mongodb:mongodb-crypt Maven package1.4.0 < 5.11.1affected
MongoDBorg.mongodb:mongodb-driver-reactivestreams Maven package4.6.0 < 5.11.1affected

Weaknesses

  • CWE-416: CWE-416: Use After Free

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References