P4Verified

CVE-2026-109306: cms 5.0.0 to before 5.10.14

CVE-2026-109306. CVSS 3.1 base score 5.9 (GitHub Advisory Database).

Affected technology

cms · 5.0.0 to before 5.10.14
craftcms

Description’s affected range: before 5.10.14

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

Low-privileged front-end users can call the action route when the licensed edition mismatches to persistently downgrade the site edition in project config, which admins cannot reverse from the control panel. Vendor/CNA’s CVSS 4.0 assessment (base score 6.0/10) rates confidentiality impact as none; integrity impact as low; availability impact as high.

Published 13-Oct-2026 01:50 UTC

CWE: CWE-862
CCR priority: 23.6 /100 (P4)
CVSS 3.1: 5.9 /10 · CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H · GitHub Advisory Database
KEV: no

Provenance

GitHub Advisory Database · Source record · observed 2026-10-13 02:51:46.931182+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-13 01:49:08.152775+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-109306.html