Security context

What an agent needs to avoid regressing past fixes and find the next vuln in this repo.

Shopify/ui-extensions

              2026-10-rc @ 9fd3524
            

Fixes

CVEs

CRITICAL

Peak severity

100.0%

Coverage

Highlights

Sandbox Escape: 3 prior fixes. Scrutinize any change in this area.

packages/argo-host/src/worker/sandbox.ts: most-fixed (3 issues). Treat as high-risk during review.

4 high-severity fixes in this history; regressions here are high-impact.

Recurring patterns

The bug types that recur here, drawn from past fixes, not open vulnerabilities.

Sandbox Escape: The Function constructor was replaced with a noop to prevent arbitrary code execution, indicating a direct sandbox escape vector.

Sandbox Escape: Sensitive browser APIs (caches, crypto, indexedDB, navigator) were exposed, allowing data access or side channels.

Sandbox Escape: Additional APIs (WebSocket, WebGL, FileReader, BroadcastChannel) were exposed, enabling network access, rendering, or file reads.