Vulnerability · Published Oct 29, 2025 · Assigned by drupal
CVE-2025-12466Simple OAuth (OAuth2) & OpenID Connect - Critical - Access bypass - SA-CONTRIB-2025-114
High 7.5
In plain English
A high-severity authentication bypass in Simple OAuth (OAuth2) & OpenID Connect from Drupal. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 70.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | drupal/simple_oauth | 6.0.7 | GHSA-jqmq-fpwv-p925 |
| Packagist:https://packages.drupal.org/8 | drupal/simple_oauth | 6.0.7 | DRUPAL-CONTRIB-2025-114 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Drupal | Simple OAuth (OAuth2) & OpenID Connect | 6.0.0 – before 6.0.7 |
Weakness: CWE-288 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N