CVE-2026-22778 — AI Deep Analysis Summary

Q: Root Cause? (CWE/Flaw)

🛡️ **CWE**: CWE-532 (Information Exposure through Log Files). 🔍 **Flaw**: The engine fails to sanitize debug logs containing sensitive memory addresses (heap pointers) during error handling of malformed inputs.

Q: Who is affected? (Versions/Components)

📦 **Vendor**: vllm-project. 📦 **Product**: vLLM. 📅 **Affected**: Versions **0.8.3** up to **0.14.1** (exclusive). ✅ **Fixed**: v0.14.1+.

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

⚡ **Threshold**: LOW. 🌐 **Access**: Network (AV:N). 🔑 **Auth**: None required (PR:N). 👁️ **UI**: None required (UI:N). 📉 **Complexity**: Low (AC:L). Anyone with network access can trigger it.

Q: What if no patch? (Workaround)

🚧 **Workaround**: 1. Disable verbose/debug logging in production. 2. Implement log sanitization filters to mask memory addresses. 3. Restrict log access permissions strictly. 🛑 **Note**: Not a full fix, just mitigation.

Q: Is it urgent? (Priority Suggestion)

🔥 **Priority**: CRITICAL. 🚨 **Urgency**: Immediate action required. 📉 **CVSS**: 9.8 (Critical). ⏳ **Time**: Patch immediately to prevent potential RCE via ASLR bypass. 🛡️ **Action**: Upgrade NOW.

Updated May 06, 2026 CVSS 9.8 · Critical

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Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: vLLM logs leak heap addresses when processing invalid images. 📉 **Consequences**: Weakens ASLR (Address Space Layout Randomization), paving the way for Remote Code Execution (RCE).…

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Q2Root Cause? (CWE/Flaw)

🛡️ **CWE**: CWE-532 (Information Exposure through Log Files). 🔍 **Flaw**: The engine fails to sanitize debug logs containing sensitive memory addresses (heap pointers) during error handling of malformed inputs.

Q3Who is affected? (Versions/Components)

📦 **Vendor**: vllm-project. 📦 **Product**: vLLM. 📅 **Affected**: Versions **0.8.3** up to **0.14.1** (exclusive). ✅ **Fixed**: v0.14.1+.

Q4What can hackers do? (Privileges/Data)

🕵️ **Hackers Can**: Extract heap addresses from logs. 🧠 **Goal**: Bypass ASLR protections. 🚀 **End Game**: Achieve Remote Code Execution (RCE) on the inference server.…

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Q5Is exploitation threshold high? (Auth/Config)

⚡ **Threshold**: LOW. 🌐 **Access**: Network (AV:N). 🔑 **Auth**: None required (PR:N). 👁️ **UI**: None required (UI:N). 📉 **Complexity**: Low (AC:L). Anyone with network access can trigger it.

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

🚫 **Public Exploit**: No specific PoC provided in data. 📜 **References**: GitHub PRs and Security Advisories exist.…

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Q7How to self-check? (Features/Scanning)

🔍 **Check**: Scan vLLM logs for hex strings resembling heap addresses. 🧪 **Test**: Send invalid/malformed image payloads to the inference endpoint.…

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Q8Is it fixed officially? (Patch/Mitigation)

✅ **Fixed**: Yes. 📥 **Patch**: Upgrade to **v0.14.1** or later. 🔗 **Source**: [GitHub Release v0.14.1](https://github.com/vllm-project/vllm/releases/tag/v0.14.1).…

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Q9What if no patch? (Workaround)

🚧 **Workaround**: 1. Disable verbose/debug logging in production. 2. Implement log sanitization filters to mask memory addresses. 3. Restrict log access permissions strictly. 🛑 **Note**: Not a full fix, just mitigation.

Q10Is it urgent? (Priority Suggestion)

🔥 **Priority**: CRITICAL. 🚨 **Urgency**: Immediate action required. 📉 **CVSS**: 9.8 (Critical). ⏳ **Time**: Patch immediately to prevent potential RCE via ASLR bypass. 🛡️ **Action**: Upgrade NOW.

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Vulnerability detail Full AI analysis (login) vllm-project CWE-532