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Q1What is this vulnerability? (Essence + Consequences)
🚨 **Essence**: The NemotronVL/KimiK25 models in vLLM have a **hardcoded trust** vulnerability.
💥 **Consequence**: Attackers can bypass security mechanisms to achieve **Remote Code Execution (RCE)** and gain full control …
🛠️ **Root Cause**: The code contains **hardcoded trust** logic for specific remote models (NemotronVL/KimiK25).
📉 **Vulnerability Point**: Remote inputs are not strictly validated, allowing the trust chain to be maliciou…
🎯 **Affected Component**: vLLM project.
📦 **Involved Models**: NemotronVL and KimiK25.
⚠️ **Version**: Unpatched older versions (refer to GHSA-7972-pg2x-xr59).
Q4What can hackers do? (Privileges/Data)
👨💻 **Attacker Privileges**: Gain **highest privileges** (Root/Admin) on the server.
🔓 **Data Theft**: Can read all **sensitive data**, model weights, and user information.
Q5Is exploitation threshold high? (Auth/Config)
📉 **Exploitation Threshold**: **Very Low** (AC:L).
🔑 **Authentication Requirement**: **No authentication required** (PR:N).
👀 **User Interaction**: Requires only **user interaction** (UI:R), such as triggering a specific…
🧪 **Ready-made Exploit**: Currently **no public PoC** (pocs are empty).
🌐 **In-the-Wild Exploitation**: Refer to GitHub Advisory; the risk is confirmed, and potential attacks should be guarded against.
Q7How to self-check? (Features/Scanning)
🔍 **Self-Check Methods**:
1️⃣ Check if **NemotronVL/KimiK25** models are loaded.
2️⃣ Verify if the vLLM version is lower than the fixed commit.
3️⃣ Scan the code for **hardcoded trust** logic.
🚫 **Temporary Mitigation**:
1️⃣ **Disable** loading of NemotronVL/KimiK25 models.
2️⃣ Implement **network isolation** to restrict remote access.
3️⃣ Upgrade to a vLLM version containing the fix as soon as possible.