CVE-2026-27174 — AI Deep Analysis Summary

🚨 **Essence**: MajorDoMo has a critical **Remote Code Execution (RCE)** flaw. 📉 **Consequences**: Attackers can inject and execute arbitrary PHP code via GET parameters, leading to full system compromise.

🛡️ **Root Cause**: **CWE-94** (Code Injection). The bug stems from an **include order error** in `modules/panel.class.php`.…

🏠 **Affected**: Users of the **MajorDoMo** open-source DIY smart home automation platform. 🏷️ **Vendor**: sergejey. Specifically, the admin panel's PHP console logic is vulnerable.

💀 **Attacker Capabilities**: Unauthenticated attackers can execute **arbitrary PHP code**.…

🔓 **Exploitation Threshold**: **Extremely Low**. ⚠️ **No Auth Required**: The vulnerability allows **unauthenticated** access. 🌐 **Network**: Exploitable remotely (AV:N). 🎯 **Complexity**: Low (AC:L).

🔍 **Public Exploit**: **Yes**. A Nuclei template is available on GitHub (projectdiscovery/nuclei-templates). 📝 **Details**: Crafted GET requests can trigger the `eval()` injection directly.

🔎 **Self-Check**: Scan for the MajorDoMo admin console. Look for unauthenticated access to `inc_panel_ajax.php`.…

🩹 **Official Fix**: **Yes**. A patch Pull Request exists: **sergejey/majordomo#1177**. 🔄 **Action**: Update to the patched version or apply the PR changes to fix the include order and add `exit` after redirects.

🚧 **No Patch Workaround**: If you cannot patch immediately, **block external access** to the admin panel via firewall rules. 🛑 Restrict access to `modules/panel.class.php` and `inc_panel_ajax.php` to trusted IPs only.

⚡ **Urgency**: **CRITICAL**. 🚨 CVSS Score is **High** (likely 9.8+). With **no authentication** required and **RCE** capability, this is an immediate threat. Patch or isolate the system **NOW**.