AI and Tech Summaries - AI Weekly Malaysia

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Date	Provider	Score	Summary
20 Aug 2026, 9:48 PM	The Hacker News	7.5	Isolated-vm Flaw Lets Sandboxed JavaScript Escape to Host for Potential RCE A critical sandbox-escape vulnerability (GHSA-864f-rcv7-6rh4) in isolated-vm—a Node.js library with ~1M weekly npm downloads for running untrusted JavaScript in V8 Isolates—lets sandboxed code corrupt host memory via a type confusion bug in ExternalCopy's transferList handling. Researcher Cristian-Alexandru Staicu demonstrated a full guest-to-host escape starting from a single ivm.Reference. The flaw affects all versions through 7.0.0 and is patched in 6.2.0 and 7.0.1. Why: If you run isolated-vm to execute untrusted or model-generated JavaScript (common in AI agent code-execution tooling), upgrade immediately to 6.2.0 or 7.0.1—anything earlier is exploitable for host-process RCE. Audit whether your agent architecture passes ExternalCopy objects with a transferList, since that is the exact attack surface. security nodejs sandbox-escape ai-agents vulnerability

Date

Provider

Score

Summary

20 Aug 2026, 9:48 PM

The Hacker News

7.5

Isolated-vm Flaw Lets Sandboxed JavaScript Escape to Host for Potential RCE

A critical sandbox-escape vulnerability (GHSA-864f-rcv7-6rh4) in isolated-vm—a Node.js library with ~1M weekly npm downloads for running untrusted JavaScript in V8 Isolates—lets sandboxed code corrupt host memory via a type confusion bug in ExternalCopy's transferList handling. Researcher Cristian-Alexandru Staicu demonstrated a full guest-to-host escape starting from a single ivm.Reference. The flaw affects all versions through 7.0.0 and is patched in 6.2.0 and 7.0.1.

Why: If you run isolated-vm to execute untrusted or model-generated JavaScript (common in AI agent code-execution tooling), upgrade immediately to 6.2.0 or 7.0.1—anything earlier is exploitable for host-process RCE. Audit whether your agent architecture passes ExternalCopy objects with a transferList, since that is the exact attack surface.