What is GHSA-9m6c-jxf8-fjvm?

GHSA-9m6c-jxf8-fjvm is a security advisory published by GitHub Security Advisories with High severity. Craft CMS from 5.8.0 before 5.11.0 contains a remote code execution vulnerability that allows...

Which CVE IDs does GHSA-9m6c-jxf8-fjvm cover?

GHSA-9m6c-jxf8-fjvm covers the following CVE IDs: CVE-2026-112774. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-9m6c-jxf8-fjvm?

GHSA-9m6c-jxf8-fjvm has a CVSS v3 base score of 7.2, published by GitHub Security Advisories.

GHSA-9m6c-jxf8-fjvmHighCVSS 7.2

Craft CMS from 5.8.0 before 5.11.0 contains a remote code execution vulnerability that allows...

Vendor

GitHub Security Advisories

Published

October 19, 2026

Last Modified

October 19, 2026

🔗 CVE IDs covered (1)

CVE-2026-112774 →

📋 Description

Craft CMS from 5.8.0 before 5.11.0 contains a remote code execution vulnerability that allows authenticated administrators to inject Yii behaviors by supplying a JSON-string field layout to ContentBlock::setFieldLayout(). Attackers with allowAdminChanges enabled can include 'as X' or 'on X' keys that bypass cleanseConfig() to execute OS commands as the web user and disclose secrets.

🔗 References (4)

https://github.com/craftcms/cms/security/advisories/GHSA-j6r9-fxgv-j7x5
https://nvd.nist.gov/vuln/detail/CVE-2026-112774
https://www.vulncheck.com/advisories/craft-cms-5.8.0-before-5.11.0-admin-rce-via-contentblock-field-layout
https://github.com/advisories/GHSA-9m6c-jxf8-fjvm