Sandbox Bypass Affecting deno package, versions <1.16.0



    Exploit Maturity Proof of concept
    Attack Complexity High
    Scope Changed
    Confidentiality High
    Integrity High
    Availability High
Expand this section
8.4 high

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  • Snyk ID SNYK-RUST-DENO-2869125
  • published 13 Jun 2022
  • disclosed 13 Jun 2022
  • credit Ron Masas

How to fix?

Upgrade deno to version 1.16.0 or higher.


deno is an a simple, modern and secure runtime for JavaScript and TypeScript that uses V8 and is built in Rust.

Affected versions of this package are vulnerable to Sandbox Bypass due to incorrect handling of symbolic links. Exploiting this vulnerability is possible via the Deno.symlink method when running Deno with a specific write access.