CVE-2025-12466

High

Description

Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal Simple OAuth (OAuth2) & OpenID Connect allows Authentication Bypass.This issue affects Simple OAuth (OAuth2) & OpenID Connect: from 6.0.0 before 6.0.7.

SeverityHigh
CVSS7.5
Exploit probability—
ProductSimple Oauth
PublishedOct 30, 2025
First seenOct 30, 2025
Weakness typeCWE-288CWE-288

How to fix

Update
  • simple_oauth_project simple_oauth6.0.7 or later
  • drupal/simple_oauth6.0.7 or later

Affected products

ProductAffected versionsFixed in
simple_oauth_project simple_oauth6.0.0 ≤ v < 6.0.76.0.7
drupal/simple_oauthPackagist:https://packages.drupal.org/86.0.0 ≤ v < 6.0.76.0.7

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.

CVE-2025-12466 · Simple Oauth · Dark Radar