CVE-2026-25533
📋 TL;DR
This vulnerability allows attackers to bypass multiple security layers in Enclave, a JavaScript sandbox for AI agent code execution. Attackers can escape the sandbox and execute arbitrary code on the host system by exploiting dynamic property access, error object hardening gaps, and host object reference manipulation. Anyone using Enclave versions before 2.10.1 for AI agent execution is affected.
💻 Affected Systems
- Enclave (enclave-vm)
📦 What is this software?
Enclave by Agentfront
⚠️ Risk & Real-World Impact
Worst Case
Complete sandbox escape leading to arbitrary code execution on the host system, potentially compromising the entire server infrastructure running the Enclave sandbox.
Likely Case
AI agents executing malicious code that can access host system resources, read sensitive data, or perform unauthorized actions outside the intended sandbox boundaries.
If Mitigated
Limited impact if proper network segmentation and least privilege principles are applied, though sandbox integrity would still be compromised.
🎯 Exploit Status
Exploit details are publicly available in the security advisory and research paper. The vulnerability requires attacker-controlled JavaScript code to be executed within the Enclave sandbox.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.10.1
Vendor Advisory: https://github.com/agentfront/enclave/security/advisories/GHSA-x39w-8vm5-5m3p
Restart Required: Yes
Instructions:
1. Update Enclave to version 2.10.1 or later using npm: npm update enclave-vm@^2.10.1
2. Restart any services or applications using Enclave
3. Verify the update was successful by checking the package version
🔧 Temporary Workarounds
Disable Enclave usage
allTemporarily disable or remove Enclave from production systems until patching is possible
npm uninstall enclave-vm
Restrict AI agent code execution
allLimit or disable execution of untrusted JavaScript code within AI agents
🧯 If You Can't Patch
- Implement strict input validation and sanitization for all JavaScript code executed within Enclave
- Isolate Enclave instances in containerized environments with minimal host access permissions
🔍 How to Verify
Check if Vulnerable:
Check package.json or run: npm list enclave-vm | grep enclave-vmCheck Version:
npm list enclave-vmVerify Fix Applied:
Verify installed version is 2.10.1 or higher: npm list enclave-vm📡 Detection & Monitoring
Log Indicators:
- Unusual JavaScript execution patterns
- Attempts to access vm module or Function constructor
- Error object manipulation attempts
Network Indicators:
- Outbound connections from Enclave processes to unexpected destinations
SIEM Query:
process.name:"node" AND process.args:"enclave" AND (process.args:"vm" OR process.args:"Function")