CVE-2026-26009 — AI Deep Analysis Summary

🚨 **Essence**: OS Command Injection in **Catalyst** framework. <br>💥 **Consequences**: Attackers can execute arbitrary commands with **root privileges** on the host OS via malicious templates.…

🛡️ **CWE-78**: Improper Neutralization of Special Elements used in an OS Command. <br>🔍 **Flaw**: Server templates define installation scripts that execute directly on the OS without sanitization, allowing injection.

📦 **Vendor**: karutoil. <br>📦 **Product**: Catalyst (Web Application Framework). <br>⚠️ **Affected**: Any instance using templates with installation scripts that allow user creation/update permissions.

👑 **Privileges**: **Root** level access. <br>📂 **Data**: Full read/write access to the host OS. <br>🌐 **Impact**: Remote Code Execution (RCE) leading to complete server takeover.

🔑 **Auth Required**: **Low**. Requires **Low Privileges** (PR:L). <br>🎯 **Condition**: User must have permission to **create or update** server templates. No UI interaction needed (UI:N).

🚫 **Public Exploit**: **None** currently listed in POCs. <br>📝 **Status**: Advisory and fix commit are public, but no wild exploitation or PoC code is available yet.

🔍 **Check**: Scan for **Catalyst** framework usage. <br>👀 **Audit**: Review template configurations for any scripts executing OS commands. Check if users have template edit rights.

✅ **Fixed**: **Yes**. <br>🔗 **Patch**: Commit `11980aaf3f46315b02777f325ba02c56b110165d` addresses the issue. Update to the patched version immediately.

🛡️ **Workaround**: Restrict **template creation/update** permissions to trusted admins only. <br>🚫 **Mitigation**: Disable direct OS execution in templates if possible.…

🔥 **Priority**: **CRITICAL**. <br>⏱️ **Urgency**: High. CVSS Score indicates High Impact (H/H/H). Since it grants **Root** access, patch immediately upon availability.