SB2026072320 - Improper access control in Internationalization Single Sign-On module for Drupal
Published: July 23, 2026
Security Bulletin ID
SB2026072320
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-2026-16639)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to affected module does not sufficiently validate a short-lived token. A remote attacker can bypass implemented security restrictions and authenticate as a victim user.
Remediation
Install update from vendor's website.