SB2026102354 - Improper access control in Simple User Management module for Drupal
Published: October 23, 2026
Security Bulletin ID
SB2026102354
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper access control (CVE-ID: CVE-2026-114543)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to the affected module does not sufficiently check role delegation when approving users, and offers an Activate link for blocked administrators. A remote user can activate blocked administrative accounts and deactivate or delete the user 1.
Remediation
Install update from vendor's website.