Simple OAuth & OpenID Connect up to 6.0.6 on Drupal authentication bypass

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Simple OAuth & OpenID Connect up to 6.0.6 on Drupal and classified as critical. This affects an unknown part. Such manipulation leads to authentication bypass. This vulnerability is referenced as CVE-2025-12466. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Simple OAuth & OpenID Connect up to 6.0.6 on Drupal and classified as critical. Affected by this issue is an unknown code. The manipulation with an unknown input leads to a authentication bypass vulnerability. Using CWE to declare the problem leads to CWE-288. A product requires authentication, but the product has an alternate path or channel that does not require authentication. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was published by coffeemakr as sa-contrib-2025-114. The advisory is available at drupal.org. This vulnerability is handled as CVE-2025-12466 since 10/29/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

Upgrading to version 6.0.7 eliminates this vulnerability.

The vulnerability is also documented in the databases at CNNVD (CNNVD-202510-4278) and CERT Bund (WID-SEC-2025-2447). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Open Source Drupal

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authentication bypass
CWE: CWE-288 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Simple OAuth & OpenID Connect 6.0.7

Timelineinfo

10/29/2025 CVE reserved
10/30/2025 +1 days Advisory disclosed
10/30/2025 +0 days VulDB entry created
11/02/2025 +3 days VulDB entry last update

Sourcesinfo

Advisory: sa-contrib-2025-114
Researcher: coffeemakr
Status: Confirmed

CVE: CVE-2025-12466 (🔒)
GCVE (CVE): GCVE-0-2025-12466
GCVE (VulDB): GCVE-100-330530
CERT Bund: WID-SEC-2025-2447 - Drupal: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen
CNNVD: CNNVD-202510-4278 - Drupal Simple OAuth (OAuth2) & OpenID Connect 安全漏洞

Entryinfo

Created: 10/30/2025 08:05
Updated: 11/02/2025 16:41
Changes: 10/30/2025 08:05 (56), 10/30/2025 11:37 (7), 10/31/2025 21:23 (6), 11/01/2025 15:18 (1), 11/02/2025 16:41 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to know what is going to be exploited?

We predict KEV entries!