CVE-2026-79988 - Vulnerability Details - OpenCVE

The Twig sandbox mechanism in Craft CMS is configured to allow dangerous functionality from the Yii framework, leading to authenticated RCE similar to previously disclosed vulnerabilities.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Craftcms	Cms

No data.

No data.

References

Link	Providers
https://github.com/craftcms/cms
https://github.com/craftcms/cms/releases/tag/5.10.7
https://www.hckrt.com/hacktivity/HCKRT-8RQQ7K

History

Fri, 28 Aug 2026 19:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Thu, 27 Aug 2026 16:45:00 +0000

Type	Values Removed	Values Added
Description		The Twig sandbox mechanism in Craft CMS is configured to allow dangerous functionality from the Yii framework, leading to authenticated RCE similar to previously disclosed vulnerabilities.
Title		Authenticated RCE through Twig sandbox escape
First Time appeared		Craftcms Craftcms cms
Weaknesses		CWE-693
CPEs		cpe:2.3:a:craftcms:cms::::::::
Vendors & Products		Craftcms Craftcms cms
References		https://github.com/craftcms/cms https://github.com/craftcms/cms/releases/tag/5.10.7 https://www.hckrt.com/hacktivity/HCKRT-8RQQ7K
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'}`

MITRE

Status: PUBLISHED

Assigner: Hackrate

Published: 2026-08-27T15:36:18.188Z

Updated: 2026-08-28T16:51:38.368Z

Reserved: 2026-08-25T16:39:03.171Z

Link: CVE-2026-79988

Vulnrichment

Updated: 2026-08-27T19:30:11.955Z

NVD

Status : Deferred

Published: 2026-08-27T17:20:49.540

Modified: 2026-08-28T20:20:08.133

Link: CVE-2026-79988

Redhat

No data.

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