CVE-2026-79987 PUBLISHED

Low-privilege RCE through element-search eager loading

Assigner: Hackrate
Reserved: 25.08.2026 Published: 10.09.2026 Updated: 11.09.2026

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.

CVSS 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
CVSS Score: 8.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

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

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	craftcms
Product	cms
Versions	Default: unaffected affected from 5.8.0 to 5.10.13 (excl.)

Credits

@CryptoCat reporter
Hackrate coordinator

References

Problem Types

CWE-470 Use of Externally-Controlled input to select classes or code ('unsafe reflection') CWE