SB20260417104 - Improper access control in Craft CMS



SB20260417104 - Improper access control in Craft CMS

Published: April 17, 2026

Security Bulletin ID SB20260417104
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper access control (CVE-ID: CVE-2025-54417)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to execute arbitrary commands.

The vulnerability exists due to improper access control in the /updater/restore-db endpoint when handling a crafted restore request referencing an attacker-created backup file. A remote user can send a specially crafted request to execute arbitrary commands.

Exploitation requires a compromised security key and the ability to create an arbitrary file in the /storage/backups folder.


Remediation

Install update from vendor's website.