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CVE-2026-88032

CVE-2026-88032 · Application denial of service via cancellation race in reactive client-side encryption in MongoDB Java Driver

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 8.2 · High · EPSS 0.3% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • java driver

    Versions
    • ≥ 4.2.0, < 5.11.1: Affected (semver)

    Update to 5.11.1

  • org.mongodb:mongodb-crypt maven package

    Versions
    • ≥ 1.4.0, < 5.11.1: Affected (semver)

    Update to 5.11.1

  • org.mongodb:mongodb-driver-reactivestreams maven package

    Versions
    • ≥ 4.6.0, < 5.11.1: Affected (semver)

    Update to 5.11.1

  • mongo-java-driver Debian:12

    Versions
    • 3.6.3-2
    • 3.6.3-2.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mongo-java-driver Debian:13

    Versions
    • 3.6.3-2
    • 3.6.3-2.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mongo-java-driver Debian:14

    Versions
    • 3.6.3-2
    • 3.6.3-2.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mongo-java-driver Ubuntu:16.04:LTS

    Versions
    • 2.12.4-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mongo-java-driver Ubuntu:18.04:LTS

    Versions
    • 3.3.0-1
    • 3.6.2-1
    • 3.6.3-2~18.04
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mongo-java-driver Ubuntu:20.04:LTS

    Versions
    • 3.6.3-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mongo-java-driver Ubuntu:22.04:LTS

    Versions
    • 3.6.3-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mongo-java-driver Ubuntu:24.04:LTS

    Versions
    • 3.6.3-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mongo-java-driver Ubuntu:26.10

    Versions
    • 3.6.3-2.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mongo-java-driver Ubuntu:26.04:LTS

    Versions
    • 3.6.3-2
    • 3.6.3-2build1
    • 3.6.3-2.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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