Description
Drupal Core is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to bypass certain security restrictions and perform otherwise restricted actions. Drupal Core versions 8.9.x ranging from 8.9.0 and up to and including 8.9.5 are vulnerable.
Remediation
Update to Drupal Core version 8.9.6 or latest
References
Related Vulnerabilities
Craft CMS Time-of-check Time-of-use (TOCTOU) Race Condition Vulnerability (CVE-2026-27127)
Moodle Improper Input Validation Vulnerability (CVE-2019-3847)
WordPress Plugin Category and Page Icons Cross-Site Scripting (0.9.2)
SugarCRM Unrestricted Upload of File with Dangerous Type Vulnerability (CVE-2023-35808)
WordPress Plugin uCare-Support Ticket System Cross-Site Scripting (1.2.1)