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CVE-2026-18701

CVE-2026-18701 · Type Confusion in MongoDB Query Subsystem Leads to Denial of Service

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

An issue in MongoDB Server's query subsystem could allow an authenticated user with read privileges to cause the server process to terminate unexpectedly by submitting a specially formed query filter. This could result in a denial of service.

CVSS 7.1 · High · EPSS 0.4% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • mongodb server

    Versions
    • ≥ 8.3.0, < 8.3.8: Affected (semver)
    • ≥ 8.0, < 8.0.29: Affected (semver)
    • ≥ 7.0, < 7.0.40: Affected (semver)

    Update to 7.0.40; Update to 8.0.29; Update to 8.3.8

  • mongodb Ubuntu:Pro:14.04:LTS

    Versions
    • 1:2.4.6-0ubuntu5
    • 1:2.4.6-0ubuntu6
    • 1:2.4.8-1ubuntu1
    • 1:2.4.8-2
    • 1:2.4.9-1
    • 1:2.4.9-1ubuntu1
    • 1:2.4.9-1ubuntu2
    • 1:2.4.9-1ubuntu2+esm2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mongodb Ubuntu:Pro:16.04:LTS

    Versions
    • 1:2.6.10-0ubuntu1
    • 1:2.6.10-0ubuntu1+esm2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mongodb Ubuntu:Pro:18.04:LTS

    Versions
    • 1:3.4.7-1
    • 1:3.4.7-1ubuntu1
    • 1:3.4.7-1ubuntu2
    • 1:3.4.7-1ubuntu4
    • 1:3.4.14-3ubuntu1
    • 1:3.4.14-3ubuntu2
    • 1:3.6.3-0ubuntu1
    • 1:3.6.3-0ubuntu1.1
    • 1:3.6.3-0ubuntu1.3
    • 1:3.6.3-0ubuntu1.4
    • 1:3.6.3-0ubuntu1.4+esm1
    • 1:3.6.3-0ubuntu1.4+esm2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mongodb Ubuntu:Pro:20.04:LTS

    Versions
    • 1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu2
    • 1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5
    • 1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.2
    • 1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3
    • 1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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