CVE-2026-78416CWE-915

CVE-2026-78416

published August 24, 2026

CVSS
8.7
EPSS
1%
Percentile
63.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
8.7 · NONE
CVSS v4.0
8.7 · 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
EPSS
0.01020 · 63.1th percentile
Weakness
CWE-915 · Improperly Controlled Modification of Dynamically-Determined Object Attributes
Published
2026-08-24T20:17Z
References (3)
https://github.com/craftcms/cms · 7004884b-51e2-48e8-b4a2-5ca29e80453ehttps://github.com/craftcms/cms/releases/tag/5.10.6 · 7004884b-51e2-48e8-b4a2-5ca29e80453ehttps://www.hckrt.com/hacktivity/HCKRT-JD662P · 7004884b-51e2-48e8-b4a2-5ca29e80453e
EPSS history
Timeline
  • 26 AUG 08:27Z
    EPSS moved — → 1%
    epss
  • 24 AUG 15:36Z
    Authenticated RCE via `condition.config` JSON cleanse bypass
    cvelistv5