CVE-2026-78416: cms 4.0.0-RC1 to before 4.18.2, 5.0.0-RC1 to before 5.10.6

Affected technology

cms · 4.0.0-RC1 to before 4.18.2, 5.0.0-RC1 to before 5.10.6
craftcms

Description’s affected range: versions from 4.0.0-RC1 before 4.18.2 and from 5.0.0-RC1 before 5.10.6

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

The source reports that an attacker could run code remotely under the conditions described by the source. Source advisory’s CVSS 4.0 assessment (base score 8.7/10) rates confidentiality, integrity and availability impact as high.