CVE-2026-27190
High
Description
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.
SeverityHigh
CVSS8.1
Exploit probability—
Product
Deno
PublishedFeb 20, 2026
First seenFeb 20, 2026
Weakness typeCWE-78OS command injection
How to fix
Update
- deno deno2.6.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| deno deno | v < 2.6.8 | 2.6.8 |
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