CVE-2026-22686
CriticalSummary
Enclave to bezpieczny sandbox JavaScript zaprojektowany do bezpiecznego wykonywania kodu agentów AI. W wersjach przed 2.7.0 występuje krytyczna podatność na ucieczkę z sandboxa w enclave-vm, która pozwala na wykonanie dowolnego kodu w hostującym środowisku Node.js przez nieufny kod JavaScript.
Risk Assessment
Atakujący może wykorzystać tę podatność do uruchomienia dowolnego kodu JavaScript w kontekście hosta, co prowadzi do pełnego obejścia zabezpieczeń sandboxa i uzyskania dostępu do wrażliwych zasobów, takich jak zmienne środowiskowe, system plików i sieć.
Recommendation
Zaleca się aktualizację do wersji 2.7.0 lub nowszej, aby usunąć tę krytyczną podatność i przywrócić bezpieczeństwo środowiska.
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Original NVD description (English source)
Enclave is a secure JavaScript sandbox designed for safe AI agent code execution. Prior to 2.7.0, there is a critical sandbox escape vulnerability in enclave-vm that allows untrusted, sandboxed JavaScript code to execute arbitrary code in the host Node.js runtime. When a tool invocation fails, enclave-vm exposes a host-side Error object to sandboxed code. This Error object retains its host realm prototype chain, which can be traversed to reach the host Function constructor. An attacker can intentionally trigger a host error, then climb the prototype chain. Using the host Function constructor, arbitrary JavaScript can be compiled and executed in the host context, fully bypassing the sandbox and granting access to sensitive resources such as process.env, filesystem, and network. This breaks enclave-vm’s core security guarantee of isolating untrusted code. This vulnerability is fixed in 2.7.0.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

