CVE-2026-79987

Low-privilege RCE through element-search eager loading

A remote, authenticated, non-admin Craft CMS Control Panel user with only the accessCp permission can execute operating system commands as the PHP web worker.

Affected

craftcms · cms

CVSS v4.0 CNA

8.7 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 CNA

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.65% chance of exploitation in the next 30 days, 50th percentile

Published

2026-09-10

Updated

2026-09-11

Proof-of-concept exploits (1)

• y3g1/CraftCMS-CVE-2026-799870★ · 2026-10-14

References

• CVE Record
• NVD entry