CVE-2025-53902

4.3 MEDIUM

📋 TL;DR

This CVE describes an authorization bypass vulnerability in Tuleap where authenticated users can access confidential artifact information they shouldn't have permission to view. It affects Tuleap Community Edition before version 16.9.99.1752585665 and Enterprise Edition before 16.8-6 and 16.9-5. The vulnerability allows unauthorized data access but requires authenticated user access.

💻 Affected Systems

Products:
  • Tuleap Community Edition
  • Tuleap Enterprise Edition
Versions: Community Edition: versions before 16.9.99.1752585665; Enterprise Edition: versions before 16.8-6 and 16.9-5
Operating Systems: All platforms running Tuleap
Default Config Vulnerable: ⚠️ Yes
Notes: All Tuleap installations with affected versions are vulnerable regardless of configuration.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Sensitive intellectual property, source code, project plans, or confidential business information could be exposed to unauthorized users, potentially leading to data breaches, competitive disadvantage, or regulatory violations.

🟠

Likely Case

Unauthorized users accessing project artifacts they shouldn't see, potentially exposing internal project details, task assignments, or development roadmaps.

🟢

If Mitigated

Limited exposure of non-critical project information with proper access controls and monitoring in place.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: HIGH

🎯 Exploit Status

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

Exploitation requires authenticated access but appears to be straightforward based on the advisory description.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Community Edition: 16.9.99.1752585665 or later; Enterprise Edition: 16.8-6, 16.9-5 or later

Vendor Advisory: https://github.com/Enalean/tuleap/security/advisories/GHSA-6f24-5v47-rj6j

Restart Required: Yes

Instructions:

1. Backup your Tuleap installation and database. 2. Update to patched version using your distribution's package manager or Tuleap upgrade process. 3. Restart Tuleap services. 4. Verify the update was successful.

🔧 Temporary Workarounds

Restrict User Access

all

Temporarily restrict user permissions and access to sensitive projects while awaiting patch deployment.

🧯 If You Can't Patch

  • Implement strict access controls and review all user permissions
  • Enable detailed audit logging for artifact access and monitor for unauthorized access attempts

🔍 How to Verify

Check if Vulnerable:

Check Tuleap version via web interface admin panel or command line: 'tuleap version'

Check Version:

tuleap version

Verify Fix Applied:

Verify version is patched: Community Edition >= 16.9.99.1752585665, Enterprise Edition >= 16.8-6 or >= 16.9-5

📡 Detection & Monitoring

Log Indicators:

  • Unusual artifact access patterns
  • Users accessing artifacts outside their project permissions
  • Failed permission checks in application logs

Network Indicators:

  • Increased API calls to artifact endpoints from unauthorized users

SIEM Query:

source="tuleap" AND ("permission denied" OR "unauthorized access" OR "artifact access")

🔗 References

📤 Share & Export