CVE-2026-2209
📋 TL;DR
This vulnerability in WeKan allows remote attackers to bypass authorization controls in the custom translation handler. Attackers can manipulate translation settings without proper permissions. All WeKan instances up to version 8.18 are affected.
💻 Affected Systems
- WeKan
📦 What is this software?
Wekan by Wekan Project
⚠️ Risk & Real-World Impact
Worst Case
Unauthorized users could modify system translations, potentially altering interface text to mislead users or hide malicious activities.
Likely Case
Attackers could modify translation settings to disrupt user experience or create confusion within the application.
If Mitigated
With proper network segmentation and access controls, impact would be limited to the WeKan application only.
🎯 Exploit Status
Exploitation requires some level of access to the WeKan interface but bypasses authorization checks.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 8.19
Vendor Advisory: https://github.com/wekan/wekan/releases/tag/v8.19
Restart Required: Yes
Instructions:
1. Backup your WeKan data and configuration. 2. Stop the WeKan service. 3. Update to version 8.19 using your package manager or by downloading from GitHub releases. 4. Restart the WeKan service. 5. Verify the update was successful.
🔧 Temporary Workarounds
Disable Custom Translations
allTemporarily disable the custom translation feature to prevent exploitation
Modify WeKan configuration to disable translation settings access
🧯 If You Can't Patch
- Implement strict network access controls to limit WeKan exposure
- Monitor for unauthorized translation setting changes in application logs
🔍 How to Verify
Check if Vulnerable:
Check WeKan version via admin interface or by examining package versionCheck Version:
Check WeKan admin panel or run: dpkg -l | grep wekan (on Debian/Ubuntu)Verify Fix Applied:
Verify version is 8.19 or higher and test translation functionality with limited user accounts📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to translation settings
- Unexpected translation modifications
Network Indicators:
- Unusual API calls to translation endpoints from unauthorized sources
SIEM Query:
source="wekan" AND (event="translation_modify" OR endpoint="/api/translation") AND user.role!="admin"