CVE-2026-27811 - Vulnerability Analysis

Overview

Roxy-WI < 8.2.6.3 contains a command injection caused by unsafe string formatting in /config/compare/<service>/<server_ip>/show endpoint, letting authenticated users execute arbitrary system commands on the host.

Severity & Score

Impact

Authenticated users can execute arbitrary system commands, potentially leading to full system compromise.

Mitigation

Upgrade to version 8.2.6.3 or later.

References

• https://github.com/roxy-wi/roxy-wi/commit/a10ac7306c252014f97a7213db4a9470300fa064
• https://github.com/roxy-wi/roxy-wi/releases/tag/v8.2.6.3
• https://github.com/roxy-wi/roxy-wi/security/advisories/GHSA-jvmv-cw47-jh77

Social Media Activity(1 post)

TheHackerWire

@thehackerwire

Mar 18, 2026

🟠 CVE-2026-27811 - High (8.8) Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers. Prior to version 8.2.6.3, a command injection vulnerability exists in the `/config/compare///show` endpoint, allowed authenticated users to execute arbitrary sy... 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-27811/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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