CVE-2025-68398
📋 TL;DR
This vulnerability in Weblate allows remote attackers to overwrite Git configuration settings, potentially altering Git behavior and enabling further attacks. It affects all Weblate instances running versions before 5.15.1. The high CVSS score indicates significant security impact.
💻 Affected Systems
- Weblate
📦 What is this software?
Weblate by Weblate
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution, data corruption, or complete system compromise through manipulated Git operations
Likely Case
Unauthorized modification of translation repositories, injection of malicious code, or disruption of localization workflows
If Mitigated
Limited impact if network segmentation and access controls prevent unauthorized access to Weblate interface
🎯 Exploit Status
Exploitation requires access to Weblate interface but no authentication bypass
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 5.15.1
Vendor Advisory: https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.15.1
Restart Required: Yes
Instructions:
1. Backup your Weblate data and configuration. 2. Update to Weblate 5.15.1 using your package manager or pip. 3. Restart Weblate services. 4. Verify the update was successful.
🔧 Temporary Workarounds
Network Access Restriction
allRestrict network access to Weblate interface to trusted IP addresses only
# Configure firewall rules to limit access
# Example: iptables -A INPUT -p tcp --dport 80 -s trusted_ip -j ACCEPT
# Example: iptables -A INPUT -p tcp --dport 443 -s trusted_ip -j ACCEPT
🧯 If You Can't Patch
- Implement strict network segmentation and firewall rules to limit Weblate access
- Enable detailed logging and monitoring for suspicious Git configuration changes
🔍 How to Verify
Check if Vulnerable:
Check Weblate version: if version is less than 5.15.1, system is vulnerable
Check Version:
weblate --version
Verify Fix Applied:
Confirm Weblate version is 5.15.1 or higher and review Git configuration files for unauthorized changes
📡 Detection & Monitoring
Log Indicators:
- Unexpected Git configuration changes
- Unauthorized access attempts to Weblate admin interface
- Unusual Git operations in Weblate logs
Network Indicators:
- Unusual traffic patterns to Weblate Git endpoints
- Suspicious requests modifying configuration parameters
SIEM Query:
source="weblate.logs" AND ("git config" OR "configuration change")
🔗 References
- https://github.com/WeblateOrg/weblate/commit/4837a4154390f7c1d03c0e398aa6439dcfa361b4
- https://github.com/WeblateOrg/weblate/commit/dd8c9d7b00eebe28770fa0e2cd96126791765ea7
- https://github.com/WeblateOrg/weblate/pull/17330
- https://github.com/WeblateOrg/weblate/pull/17345
- https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.15.1
- https://github.com/WeblateOrg/weblate/security/advisories/GHSA-8vcg-cfxj-p5m3