CVE-2026-79988

8.7 highEPSS 0.5%

High (8.7). EPSS 0.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.7 high

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: 0.5% chance of exploitation in the next 30 days; higher than 39% of CVEs (scores of 2026-10-31)
CWE: CWE-693
Published: 2026-08-27
Modified: 2026-08-28
Record from: the NVD, synced 2026-10-19

References

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

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