CVE-2025-48935: Deno

Critical severity, CVSS 9.1. EPSS: 0.5% chance of exploitation in the next 30 days.

Deno is a JavaScript, TypeScript, and WebAssembly runtime. Starting in version 2.2.0 and prior to versions 2.2.5, it is possible to bypass Deno's permission read/write db permission check by using `ATTACH DATABASE` statement. Version 2.2.5 contains a patch for the issue.

Affected products

• Deno Deno: from 2.2.0, before 2.2.5 (fixed in 2.2.5)

Published 2025-06-04. Last modified 2026-06-17.