CVE-2026-41409 — AI Deep Analysis Summary

Q: What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Apache MINA has a **Deserialization Bypass** flaw. 💥 **Consequences**: Attackers can execute arbitrary code via malicious serialized objects. Critical integrity/availability loss.

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-502** (Deserialization of Untrusted Data). 🔍 **Flaw**: The allowlist for `AbstractIoBuffer.getObject()` class names is applied **too late** in the process, allowing bypass.

Q: Who is affected? (Versions/Components)

📦 **Affected Products**: Apache MINA (Network Application Framework). 📉 **Versions**: - 2.0.0 to 2.0.27 - 2.1.0 to 2.1.10 - 2.2.0 to 2.2.5

Q: What can hackers do? (Privileges/Data)

💀 **Attacker Actions**: Full **Remote Code Execution (RCE)**. 🔑 **Privileges**: High. Can read/write data, modify system state. CVSS Impact: **High** (C:H, I:H, A:H).

Q: Is exploitation threshold high? (Auth/Config)

⚡ **Exploitation Threshold**: **LOW**. 🌐 **Network**: Attack Vector **Network** (AV:N). 🔓 **Auth**: **None** required (PR:N, UI:N). Easy to exploit remotely.

Q: Is there a public Exp? (PoC/Wild Exploitation)

📜 **Public Exploit**: **No**. 🚫 **PoC**: None listed in references. ⚠️ **Risk**: Despite no public PoC, the flaw is fundamental and likely exploitable by skilled attackers.

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

🩹 **Official Fix**: **Yes**. 📅 **Advisory**: Published 2026-04-27. ✅ **Action**: Upgrade to a version **newer** than 2.2.5 (or latest stable). Check Apache MINA release notes.

Q: What if no patch? (Workaround)

🛑 **No Patch Workaround**: 1. **Disable** `getObject()` if not needed. 2. Implement **strict allowlists** earlier in the pipeline. 3. Use **network segmentation** to restrict access to MINA services.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. 🚨 **Priority**: **P1**. 💡 **Reason**: Remote, unauthenticated, high impact. Patch immediately to prevent RCE.

Updated May 06, 2026 CVSS 9.8 · Critical

This is a summary of the AI-generated 10-question deep analysis. The full version (longer answers, follow-up Q&A, related CVEs) requires login. Read the full analysis →

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Apache MINA has a **Deserialization Bypass** flaw. <br>💥 **Consequences**: Attackers can execute arbitrary code via malicious serialized objects. Critical integrity/availability loss.

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-502** (Deserialization of Untrusted Data). <br>🔍 **Flaw**: The allowlist for `AbstractIoBuffer.getObject()` class names is applied **too late** in the process, allowing bypass.

Q3Who is affected? (Versions/Components)

📦 **Affected Products**: Apache MINA (Network Application Framework). <br>📉 **Versions**: <br>- 2.0.0 to 2.0.27 <br>- 2.1.0 to 2.1.10 <br>- 2.2.0 to 2.2.5

Q4What can hackers do? (Privileges/Data)

💀 **Attacker Actions**: Full **Remote Code Execution (RCE)**. <br>🔑 **Privileges**: High. Can read/write data, modify system state. CVSS Impact: **High** (C:H, I:H, A:H).

Q5Is exploitation threshold high? (Auth/Config)

⚡ **Exploitation Threshold**: **LOW**. <br>🌐 **Network**: Attack Vector **Network** (AV:N). <br>🔓 **Auth**: **None** required (PR:N, UI:N). Easy to exploit remotely.

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

📜 **Public Exploit**: **No**. <br>🚫 **PoC**: None listed in references. <br>⚠️ **Risk**: Despite no public PoC, the flaw is fundamental and likely exploitable by skilled attackers.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for Apache MINA versions listed above. <br>🧪 **Feature**: Look for usage of `AbstractIoBuffer.getObject()` in custom code.…

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Q8Is it fixed officially? (Patch/Mitigation)

🩹 **Official Fix**: **Yes**. <br>📅 **Advisory**: Published 2026-04-27. <br>✅ **Action**: Upgrade to a version **newer** than 2.2.5 (or latest stable). Check Apache MINA release notes.

Q9What if no patch? (Workaround)

🛑 **No Patch Workaround**: <br>1. **Disable** `getObject()` if not needed. <br>2. Implement **strict allowlists** earlier in the pipeline. <br>3. Use **network segmentation** to restrict access to MINA services.

Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. <br>🚨 **Priority**: **P1**. <br>💡 **Reason**: Remote, unauthenticated, high impact. Patch immediately to prevent RCE.

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Vulnerability detail Full AI analysis (login) Apache Software Foundation CWE-502