CVE-2026-22265
📋 TL;DR
CVE-2026-22265 is a command injection vulnerability in Roxy-WI web interface versions prior to 8.2.8.2 that allows authenticated users to execute arbitrary system commands through the log viewing functionality. This affects organizations using Roxy-WI to manage Haproxy, Nginx, Apache, and Keepalived servers.
💻 Affected Systems
- Roxy-WI
📦 What is this software?
Roxy Wi by Roxy Wi
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise leading to data exfiltration, lateral movement, ransomware deployment, or complete server takeover.
Likely Case
Privilege escalation, configuration manipulation, service disruption, or credential theft from compromised servers.
If Mitigated
Limited impact due to network segmentation, minimal user privileges, and proper input validation in place.
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward once authenticated due to the command injection vulnerability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 8.2.8.2
Vendor Advisory: https://github.com/roxy-wi/roxy-wi/security/advisories/GHSA-mmmf-vh7m-rm47
Restart Required: Yes
Instructions:
1. Backup current configuration. 2. Update Roxy-WI to version 8.2.8.2 or later. 3. Restart the Roxy-WI service. 4. Verify the update was successful.
🔧 Temporary Workarounds
Disable log viewing functionality
linuxTemporarily disable the log viewing feature in Roxy-WI to prevent exploitation.
# Modify app/modules/roxywi/logs.py to comment out or disable vulnerable function
Restrict user access
allLimit access to Roxy-WI interface to only necessary administrative users.
# Configure firewall rules to restrict access to Roxy-WI port
# Implement IP whitelisting for the web interface
🧯 If You Can't Patch
- Implement strict network segmentation to isolate Roxy-WI instances from critical systems
- Enable detailed logging and monitoring for suspicious command execution patterns
🔍 How to Verify
Check if Vulnerable:
Check Roxy-WI version. If version is below 8.2.8.2, the system is vulnerable.Check Version:
grep 'version' /path/to/roxy-wi/config/files or check web interface about pageVerify Fix Applied:
Verify Roxy-WI version is 8.2.8.2 or higher and test log viewing functionality.📡 Detection & Monitoring
Log Indicators:
- Unusual command execution patterns in system logs
- Multiple failed authentication attempts followed by successful login
- Suspicious grep parameters in Roxy-WI application logs
Network Indicators:
- Unexpected outbound connections from Roxy-WI server
- Unusual traffic patterns to/from Roxy-WI interface
SIEM Query:
source="roxy-wi" AND (command="grep" OR command="sh" OR command="bash") AND user!="expected_user"