CVE-2026-23489 — AI Deep Analysis Summary

🚨 **Essence**: A critical input validation flaw in the **Fields GLPI plugin**. <br>💥 **Consequences**: Allows **Arbitrary PHP Code Execution**. This is not just a bug; it’s a full system compromise risk.

🛡️ **Root Cause**: **CWE-20: Improper Input Validation**. <br>❌ **Flaw**: The plugin fails to sanitize inputs when creating dropdown lists, allowing malicious code injection directly into the PHP execution context.

📦 **Affected**: **pluginsGLPI / Fields** plugin. <br>📉 **Version**: All versions **prior to 1.23.3**. <br>🔧 **Component**: The dropdown list creation feature within the plugin.

💀 **Attacker Actions**: <br>1️⃣ Execute **Arbitrary PHP Code**. <br>2️⃣ Gain **Full Server Control** (RCE). <br>3️⃣ Steal sensitive data or pivot to other systems. <br>📊 **Impact**: High (C/H/I:H/A:H).

🔐 **Exploitation Threshold**: <br>✅ **Network**: Remote (AV:N). <br>✅ **Complexity**: Low (AC:L). <br>⚠️ **Auth Required**: **Yes** (PR:H).…

🕵️ **Public Exploit**: <br>❌ **No PoC/Wild Exploit** currently listed in the data. <br>📝 **Status**: Theoretical but highly dangerous. No public code snippet available yet.

🔍 **Self-Check**: <br>1️⃣ Check GLPI Admin Panel → Plugins → **Fields**. <br>2️⃣ Verify Version Number. <br>3️⃣ If version < **1.23.3**, you are vulnerable.…

✅ **Fixed Officially**: <br>🔧 **Patch**: Upgrade to **Version 1.23.3** or later. <br>🔗 **Source**: [GitHub Release 1.23.3](https://github.com/pluginsGLPI/fields/releases/tag/1.23.3).

🚧 **No Patch Workaround**: <br>1️⃣ **Restrict Admin Access**: Ensure only trusted, high-privilege users can create dropdowns. <br>2️⃣ **Disable Plugin**: Temporarily disable the Fields plugin if not critical.…

⚡ **Urgency**: **HIGH** (Priority 1). <br>📅 **Published**: 2026-03-16. <br>💡 **Reason**: Although it requires admin auth, the impact is **Full RCE**. Do not ignore. Patch immediately upon upgrade.