CVE-2026-79988

UNKNOWN 0.0

Authenticated RCE through Twig sandbox escape

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-693
Vendor	craftcms
Product	cms
Published	Aug 27, 2026
Last Updated	Aug 28, 2026

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Affected Versions

craftcms / cms

4.0.0-RC1 < 4.18.3 5.0.0-RC1 < 5.10.7

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 Oskar Zeino-Mahmalat (@oskar-cure53) Hackrate