CVE-2025-27590 — AI Deep Analysis Summary

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

🚨 **Essence**: Path Traversal in Oxidized Web < 0.15.0. 🔥 **Consequences**: Attackers control the Linux user account running the service via the RANCID migration page. Full system compromise possible.

Q: Root Cause? (CWE/Flaw)

🛡️ **CWE-22**: Improper Limitation of a Pathname to a Restricted Directory. ⚠️ **Flaw**: Unvalidated user input in the migration feature allows directory traversal, leading to unauthorized file access or execution.

Q: Who is affected? (Versions/Components)

📦 **Product**: Oxidized Web (Web UI + RESTful API for Oxidized). 👥 **Affected**: Versions **0.15.0 and earlier**. 🏢 **Vendor**: ytti (Personal Developer).

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

🔧 **Fixed**: Yes. 📌 **Version**: **0.15.0**. 🔗 **Release**: [GitHub Release 0.15.0](https://github.com/ytti/oxidized-web/releases/tag/0.15.0). ✅ **Action**: Upgrade immediately.

Q: Is it urgent? (Priority Suggestion)

🚨 **Priority**: **CRITICAL**. ⏳ **Urgency**: Immediate. 📉 **Risk**: Remote Code Execution/Full Compromise. 💡 **Advice**: Patch now. Do not wait.

Updated May 06, 2026 CVSS 9.0 · 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**: Path Traversal in Oxidized Web < 0.15.0. <br>🔥 **Consequences**: Attackers control the Linux user account running the service via the RANCID migration page. Full system compromise possible.

Q2Root Cause? (CWE/Flaw)

🛡️ **CWE-22**: Improper Limitation of a Pathname to a Restricted Directory. <br>⚠️ **Flaw**: Unvalidated user input in the migration feature allows directory traversal, leading to unauthorized file access or execution.

Q3Who is affected? (Versions/Components)

📦 **Product**: Oxidized Web (Web UI + RESTful API for Oxidized). <br>👥 **Affected**: Versions **0.15.0 and earlier**. <br>🏢 **Vendor**: ytti (Personal Developer).

Q4What can hackers do? (Privileges/Data)

💀 **Privileges**: Runs as the `oxidized-web` Linux user. <br>📂 **Data**: Can read/write files outside intended directories. <br>⚡ **Impact**: High (CVSS H).…

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Q5Is exploitation threshold high? (Auth/Config)

🔓 **Auth**: None Required (PR:N). <br>🌐 **Network**: Remote (AV:N). <br>🧩 **Complexity**: High (AC:H). <br>👀 **UI**: None Required (UI:N).…

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

💻 **PoC Available**: Yes. <br>🔗 **Link**: [fatkez/CVE-2025-27590](https://github.com/fatkz/CVE-2025-27590). <br>⚠️ **Note**: PoC describes Command Injection via Multipart Form Upload (`cloginrc`/`file1`).…

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Q7How to self-check? (Features/Scanning)

🔍 **Check**: Scan for Oxidized Web instances. <br>🧪 **Test**: Attempt RANCID migration with malicious path traversal payloads (e.g., `../../etc/passwd`).…

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Q8Is it fixed officially? (Patch/Mitigation)

🔧 **Fixed**: Yes. <br>📌 **Version**: **0.15.0**. <br>🔗 **Release**: [GitHub Release 0.15.0](https://github.com/ytti/oxidized-web/releases/tag/0.15.0). <br>✅ **Action**: Upgrade immediately.

Q9What if no patch? (Workaround)

🚫 **No Patch?**: Disable the RANCID migration page if possible. <br>🛡️ **Mitigation**: Restrict network access to the Web UI.…

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Q10Is it urgent? (Priority Suggestion)

🚨 **Priority**: **CRITICAL**. <br>⏳ **Urgency**: Immediate. <br>📉 **Risk**: Remote Code Execution/Full Compromise. <br>💡 **Advice**: Patch now. Do not wait.

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Vulnerability detail Full AI analysis (login) Oxidized Web project CWE-22