CVE WATCH / VULNERABILITY DETAIL

CVE-2026-120338

CRITICALCVSS 10NVD feed

Published 1 November 2026 · tracked since 1 November 2026

Description

Prefab UI's Generative UI sandbox runs caller-supplied Python inside Pyodide, Python compiled to WebAssembly, in a Deno subprocess. The feature is documented as isolation for untrusted code, including LLM-written UI. From prefab-ui 0.14.0 through 0.20.2 the launcher starts Deno with unrestricted --a

References

Latest tracked vulnerabilities

→ Open the live CVE board · all tools