CVE-2026-27190 HIGH

CVE-2026-27190: Deno has a Command Injection via Incomplete shell metacharacter blocklist in node:child_process

Vendor Denoland
Product deno
Weakness CWE-78
Published February 20, 2026
Last update February 24, 2026
View on NVD All CVEs

CVSS base score

8.1/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Deno is a JavaScript, TypeScript, and WebAssembly runtime. Prior to 2.6.8, a command injection vulnerability exists in Deno's node:child_process implementation. This vulnerability is fixed in 2.6.8.

Key dates

02Disclosure timeline

February 20, 2026 CVE published
February 24, 2026 Record updated