CVE-2026-79988— Authenticated RCE through Twig sandbox escape
Quick assessment
Affected
craftcms cms
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Craft CMS 中 Twig 沙箱机制的配置允许来自 Yii 框架的危险功能，从而导致类似先前披露漏洞的经过身份验证的远程代码执行（RCE）。
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I. Basic Information for CVE-2026-79988
Vulnerability Information
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Vulnerability Title
Authenticated RCE through Twig sandbox escape
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
保护机制失效
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-79988
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Security Blog Posts for CVE-2026-79988 (1)
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🔗 Authenticated RCE through Twig sandbox escape | Hackrate third-party-advisory technical-description mitigation
Vendor Pages for CVE-2026-79988 (2)
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🔗 Release 5.10.7 · craftcms/cms · GitHub release-notes
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IV. Related Vulnerabilities
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Same vendor: craftcms
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CVE-2026-78416
Authenticated RCE via `condition.config` JSON cleanse bypass -
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CVE-2026-72785
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Same weakness: CWE-693
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V. Comments for CVE-2026-79988
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