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CVE-2026-56382

CVE-2026-56382 · Craft CMS - Remote Code Execution via Missing Config Sanitization in FieldsController

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

Craft CMS (composer package craftcms/cms) versions >= 5.5.0 and <= 5.9.13 contain a remote code execution vulnerability in the FieldsController::actionRenderCardPreview() method, which passes the fieldLayoutConfig POST parameter directly to Fields::createLayout() without calling Component::cleanseConfig(). An authenticated admin user can inject Yii2 event handlers (e.g., 'on init' keys) via the fieldLayoutConfig parameter to execute arbitrary PHP code and disclose sensitive information (such as environment variables containing database credentials and CRAFT_SECURITY_KEY). The issue is fixed in version 5.9.14.

CVSS 8.6 · High · EPSS 0.7% · Fix available

Published
Updated

Stack: php

Affected products and versions

  • cms

    Versions
    • ≥ 5.5.0, < 5.9.14: Affected (semver)
    • 5.9.14: Not affected (semver)

    Update to 5.9.14

  • craftcms/cms Packagist

    Versions
    • 5.5.0
    • 5.5.0.1
    • 5.5.1
    • 5.5.1.1
    • 5.5.10
    • 5.5.2
    • 5.5.3
    • 5.5.4
    • 5.5.5
    • 5.5.6
    • 5.5.6.1
    • 5.5.7
    • 5.5.8
    • 5.5.9
    • 5.6.0
    • 5.6.0.1
    • 5.6.0.2
    • 5.6.1
    • 5.6.10
    • 5.6.10.1
    • 5.6.10.2
    • 5.6.11
    • 5.6.12
    • 5.6.13
    • 5.6.14
    • 5.6.15
    • 5.6.16
    • 5.6.17
    • 5.6.2
    • 5.6.3
    • 5.6.4
    • 5.6.5
    • 5.6.5.1
    • 5.6.6
    • 5.6.7
    • 5.6.8
    • 5.6.9
    • 5.6.9.1
    • 5.7.0
    • 5.7.0-beta.1
    • 5.7.0-beta.2
    • 5.7.1
    • 5.7.1.1
    • 5.7.10
    • 5.7.11
    • 5.7.2
    • 5.7.3
    • 5.7.4
    • 5.7.5
    • 5.7.6
    • 5.7.7
    • 5.7.8
    • 5.7.8.1
    • 5.7.8.2
    • 5.7.9
    • 5.8.0
    • 5.8.1
    • 5.8.10
    • 5.8.11
    • 5.8.12
    • 5.8.13
    • 5.8.13.1
    • 5.8.13.2
    • 5.8.14
    • 5.8.15
    • 5.8.16
    • 5.8.17
    • 5.8.18
    • 5.8.19
    • 5.8.2
    • 5.8.20
    • 5.8.21
    • 5.8.22
    • 5.8.23
    • 5.8.3
    • 5.8.4
    • 5.8.5
    • 5.8.6
    • 5.8.7
    • 5.8.8
    • 5.8.9
    • 5.9.0
    • 5.9.0-beta.1
    • 5.9.0-beta.2
    • 5.9.1
    • 5.9.10
    • 5.9.11
    • 5.9.12
    • 5.9.13
    • 5.9.2
    • 5.9.3
    • 5.9.4
    • 5.9.5
    • 5.9.6
    • 5.9.7
    • 5.9.8
    • 5.9.9
    Affected ranges
    • ECOSYSTEM: ≥ 5.5.0, < 5.9.14

    Update to 5.9.14

Original sources

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