CVE-2025-31678

8.2 HIGH

📋 TL;DR

This CVE describes a Missing Authorization vulnerability in Drupal AI that allows attackers to access restricted functionality through forceful browsing. It affects all Drupal AI module versions from initial release before 1.0.3. Attackers can exploit this to perform unauthorized actions that should require proper authentication.

💻 Affected Systems

Products:
  • Drupal AI (Artificial Intelligence) module
Versions: 0.0.0 through 1.0.2
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Affects all Drupal installations using the vulnerable AI module versions.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers gain administrative access to AI functionality, potentially manipulating AI models, accessing sensitive training data, or using AI capabilities for malicious purposes.

🟠

Likely Case

Unauthorized users access AI features they shouldn't have permission to use, potentially exposing sensitive data or consuming AI resources without authorization.

🟢

If Mitigated

Proper access controls prevent exploitation, limiting impact to authorized users only.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires understanding of Drupal's routing system and access control mechanisms.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.0.3

Vendor Advisory: https://www.drupal.org/sa-contrib-2025-004

Restart Required: No

Instructions:

1. Update Drupal AI module to version 1.0.3 via Drupal's update manager or Composer. 2. Clear Drupal caches. 3. Verify proper authorization checks are in place.

🔧 Temporary Workarounds

Temporary Access Restriction

all

Implement additional access control checks at the web server level or Drupal routing level

🧯 If You Can't Patch

  • Implement strict network segmentation to isolate AI module from untrusted networks
  • Add additional authentication layer or IP whitelisting for AI functionality

🔍 How to Verify

Check if Vulnerable:

Check Drupal AI module version via Drupal admin interface at /admin/modules or using drush: drush pm-list | grep ai

Check Version:

drush pm-list | grep 'AI (Artificial Intelligence)'

Verify Fix Applied:

Verify module version is 1.0.3 or higher and test authorization controls for AI functionality

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to AI module routes
  • Access to AI functionality from unauthenticated or low-privilege users

Network Indicators:

  • Requests to AI-specific endpoints from unauthorized sources

SIEM Query:

source="drupal_access_log" AND (uri="/ai/*" OR uri="/admin/ai/*") AND user_role!="administrator"

🔗 References

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