SB2026012907 - Improper access control in Drupal Canvas module for Drupal
Published: January 29, 2026
Security Bulletin ID
SB2026012907
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper access control (CVE-ID: CVE-2026-1553)
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The vulnerability exists due to the affected module does not sufficiently validate access to Canvas Pages when they are unpublished. A remote attacker can bypass implemented security restrictions and gain unauthorized access to sensitive information on the system.
Remediation
Install update from vendor's website.