CVE-2023-50386 — AI Deep Analysis Summary

Q: Who is affected? (Versions/Components)

📦 **Vendor**: Apache Software Foundation. 📦 **Product**: Apache Solr. 📅 **Affected Versions**: 6.0.0 to 8.11.2, AND 9.0.0 to 9.4.1. 🚫 **Safe**: Versions 8.11.3+ and 9.4.1+ are patched. ✅

Q: Is it fixed officially? (Patch/Mitigation)

🔧 **Fixed**: YES. 📢 **Official Advisory**: Released by Apache Solr. 📅 **Date**: Feb 9, 2024. ✅ **Solution**: Upgrade to **Apache Solr 8.11.3** or **9.4.1** (or later). 🔄

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. 🚨 **Priority**: Patch IMMEDIATELY. 📉 **Risk**: High impact (RCE) + Public PoC available. ⏳ **Time**: Vulnerability disclosed recently; active exploitation is likely. 🏃♂️

Updated May 08, 2026

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Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Apache Solr allows **unrestricted upload** of dangerous files via dynamic management APIs.…

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Q2Root Cause? (CWE/Flaw)

🛡️ **CWE**: CWE-434 (Unrestricted Upload of File with Dangerous Type). 🔍 **Flaw**: Improper control of dynamic code resources.…

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Q3Who is affected? (Versions/Components)

📦 **Vendor**: Apache Software Foundation. 📦 **Product**: Apache Solr. 📅 **Affected Versions**: 6.0.0 to 8.11.2, AND 9.0.0 to 9.4.1. 🚫 **Safe**: Versions 8.11.3+ and 9.4.1+ are patched. ✅

Q4What can hackers do? (Privileges/Data)

💻 **Privileges**: Full **Remote Code Execution (RCE)**. 🗄️ **Data**: Complete access to server files, database, and network.…

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Q5Is exploitation threshold high? (Auth/Config)

🔑 **Auth**: Likely requires access to the **Backup/Restore APIs** or dynamic config management interface. ⚙️ **Config**: Exploitation depends on the ability to upload and restore malicious configsets.…

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Q6Is there a public Exp? (PoC/Wild Exploitation)

🔓 **Public Exp?**: YES. 📂 **PoC**: Available on GitHub (e.g., `vvmdx/Apache-Solr-RCE_CVE-2023-50386_POC`). 🌍 **Wild Exploitation**: High risk.…

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Q7How to self-check? (Features/Scanning)

🔍 **Check**: Scan for Apache Solr instances on ports 8983. 🧪 **Test**: Attempt to access `/solr/admin/cores` or backup APIs. 📋 **Verify**: Check version number against the affected list (6.0.0-8.11.2, 9.0.0-9.4.1).…

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Q8Is it fixed officially? (Patch/Mitigation)

🔧 **Fixed**: YES. 📢 **Official Advisory**: Released by Apache Solr. 📅 **Date**: Feb 9, 2024. ✅ **Solution**: Upgrade to **Apache Solr 8.11.3** or **9.4.1** (or later). 🔄

Q9What if no patch? (Workaround)

🚧 **Workaround**: If patching is impossible, **disable** the Backup/Restore APIs. 🚫 **Restrict Access**: Block external access to dynamic config management endpoints via firewall/WAF.…

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Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. 🚨 **Priority**: Patch IMMEDIATELY. 📉 **Risk**: High impact (RCE) + Public PoC available. ⏳ **Time**: Vulnerability disclosed recently; active exploitation is likely. 🏃‍♂️

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Vulnerability detail Full AI analysis (login) Apache Software Foundation CWE-434