SB2025103013 - Authentication bypass using an alternate path or channel in Simple OAuth (OAuth2) & OpenID Connect module for Drupal
Published: October 30, 2025 Updated: November 20, 2025
Security Bulletin ID
SB2025103013
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) Authentication bypass using an alternate path or channel (CVE-ID: CVE-2025-12466)
CWE-ID: CWE-288 - Authentication Bypass Using an Alternate Path or Channel
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/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 bypass authentication process.
The vulnerability exists due to the authentication bypass using an alternate path or channel. A remote attacker can gain acces to the target application.
Remediation
Install update from vendor's website.