Drupal Simple OAuth (OAuth2) & OpenID Connect allows Authentication Bypass

HIGH 7.5CVE-2025-12466 · DRUPAL-CONTRIB-2025-114 · GHSA-jqmq-fpwv-p925 · Published 30/10/2025 · updated 08/10/2026

In short

CVE-2025-12466 is a HIGH (CVSS 7.5) vulnerability affecting drupal/simple_oauth, drupal/simple_oauth, simple oauth (simple oauth project).
Chance of exploitation in the next 30 days (EPSS): 0.36%, higher than 30.0% of all vulnerabilities.
Fix: update to 6.0.7 or later.

Package	Affected versions	Patched versions
drupal/simple_oauth Packagist	`≥ 6.0.0, < 6.0.7`	`6.0.7`
drupal/simple_oauth Packagist:https://packages.drupal.org/8	`≥ 6.0.0, < 6.0.7`	`6.0.7`
simple oauth simple_oauth_project	`≥ 6.0.0, < 6.0.7`	`6.0.7`

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.

NVD 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.

References

nvd.nist.gov/vuln/detail/CVE-2025-12466 · ADVISORY
drupal.org/sa-contrib-2025-114 · WEB

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