Craft CMS versions from 4.0.0-RC1 before 4.18.2 and from 5.0.0-RC1 before 5.10.6 contain an authenticated remote code execution vulnerability in control panel element-search condition handling. A JSON cleanse bypass in condition.config allows Yii behavior/event configuration keys to be interpreted after decoding, enabling command execution as the PHP/web user.

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History

Mon, 24 Aug 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 24 Aug 2026 16:00:00 +0000

Type Values Removed Values Added
Description Craft CMS versions from 4.0.0-RC1 before 4.18.2 and from 5.0.0-RC1 before 5.10.6 contain an authenticated remote code execution vulnerability in control panel element-search condition handling. A JSON cleanse bypass in condition.config allows Yii behavior/event configuration keys to be interpreted after decoding, enabling command execution as the PHP/web user.
Title Authenticated RCE via `condition.config` JSON cleanse bypass
First Time appeared Craftcms
Craftcms cms
Weaknesses CWE-915
CPEs cpe:2.3:a:craftcms:cms:*:*:*:*:*:*:*:*
Vendors & Products Craftcms
Craftcms cms
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: Hackrate

Published:

Updated: 2026-08-24T15:55:31.625Z

Reserved: 2026-08-24T15:07:04.075Z

Link: CVE-2026-78416

cve-icon Vulnrichment

Updated: 2026-08-24T15:55:22.303Z

cve-icon NVD

Status : Received

Published: 2026-08-24T16:17:24.250

Modified: 2026-08-24T16:17:24.250

Link: CVE-2026-78416

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-24T18:00:04Z

Weaknesses