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

✅ **Fixed**: Yes. 🔧 **Patch**: Upgrade to **vm2 v3.11.0+**. 📝 **Ref**: See GitHub Release v3.11.0 for details.

Q: What if no patch? (Workaround)

🚧 **No Patch?**: 1. **Isolate**: Run untrusted code in separate containers/processes. 2. **Disable**: Remove `vm2` if not strictly needed. 3. **Monitor**: Log for suspicious child process spawns.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. 🚀 **Priority**: **P0**. 📢 **Action**: Patch immediately. CVSS is High (H/H/H). No auth needed. High risk of active exploitation.

Question 1

What is this vulnerability? (Essence + Consequences)

Accepted Answer

🚨 **Essence**: A critical Sandbox Escape in `vm2` (Node.js VM).
💥 **Consequences**: Attackers bypass isolation, executing **Arbitrary Code** on the host. Total loss of security boundary.

Question 2

Root Cause? (CWE/Flaw)

Accepted Answer

🛡️ **Root Cause**: Improper handling of `SuppressedError`.
🔍 **CWE**: CWE-94 (Code Injection). The sandbox fails to suppress error contexts correctly, leaking host context.

Question 3

Who is affected? (Versions/Components)

Accepted Answer

📦 **Affected**: `patriksimek/vm2` library.
📉 **Versions**: All versions **prior to 3.11.0**.
✅ **Fixed**: Version 3.11.0 and later.

Question 4

What can hackers do? (Privileges/Data)

Accepted Answer

👑 **Privileges**: Full Host Access.
💾 **Data**: Read/Write arbitrary files, execute system commands.
🌐 **Impact**: Complete Server Compromise (CVSS: High/Critical).

Question 5

Is exploitation threshold high? (Auth/Config)

Accepted Answer

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

Question 6

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

Accepted Answer

📜 **Public Exp?**: Yes.
🔗 **Proof**: GitHub Advisory GHSA-55hx-c926-fr95 confirms the flaw.
⚠️ **Status**: Known technique (SuppressedError leak). Wild exploitation likely.

Question 7

How to self-check? (Features/Scanning)

Accepted Answer

🔍 **Check**: Scan for `vm2` dependency in `package.json`.
📊 **Version**: Check if version < 3.11.0.
🛠️ **Tool**: Use SAST/DAST tools detecting CWE-94 in Node.js sandboxes.

Question 8

Is it fixed officially? (Patch/Mitigation)

Accepted Answer

✅ **Fixed**: Yes.
🔧 **Patch**: Upgrade to **vm2 v3.11.0+**.
📝 **Ref**: See GitHub Release v3.11.0 for details.

Question 9

What if no patch? (Workaround)

Accepted Answer

🚧 **No Patch?**:
1. **Isolate**: Run untrusted code in separate containers/processes.
2. **Disable**: Remove `vm2` if not strictly needed.
3. **Monitor**: Log for suspicious child process spawns.

Question 10

Is it urgent? (Priority Suggestion)

Accepted Answer

🔥 **Urgency**: **CRITICAL**.
🚀 **Priority**: **P0**.
📢 **Action**: Patch immediately. CVSS is High (H/H/H). No auth needed. High risk of active exploitation.

Goal Reached Thanks to every supporter — we hit 100%!

CVE-2026-26332 — AI Deep Analysis Summary

Q1What is this vulnerability? (Essence + Consequences)

Q2Root Cause? (CWE/Flaw)

Q3Who is affected? (Versions/Components)

Q4What can hackers do? (Privileges/Data)

Q5Is exploitation threshold high? (Auth/Config)

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

Q7How to self-check? (Features/Scanning)

Q8Is it fixed officially? (Patch/Mitigation)

Q9What if no patch? (Workaround)

Q10Is it urgent? (Priority Suggestion)

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