← Vulnerability feed

Vulnerability record · CVE-2026-27190 · published 20 February 2026

CVE-2026-27190: Deno os command injection vulnerability

Deno · Deno

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.

9.8 CVSS 3.1 Critical EPSS 3.2% · top 12.5% CWE-78 · OS command injection
9.8CVSS 3.1 base score
3.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 1 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/denoland/deno/commit/9132ad958c83a0d0b199de12b69b877f63edab4c Patch
https://github.com/denoland/deno/releases/tag/v2.6.8 ProductRelease Notes
https://github.com/denoland/deno/security/advisories/GHSA-hmh4-3xvx-q5hr ExploitVendor Advisory

Track CVE-2026-27190 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2022-24783Deno improper privilege management vulnerabilityDeno is a runtime for JavaScript and TypeScript. The versions of Deno between release 1.18.0 and 1.20.2 (inclusive) are vulnerable to an attack where…EPSS 1.1%9.8CVE-2026-32260Deno os command injection vulnerabilityDeno is a JavaScript, TypeScript, and WebAssembly runtime. From 2.7.0 to 2.7.1, A command injection vulnerability exists in Deno's node:child_process…EPSS 2.0%9.8CVE-2026-22864Deno command injection vulnerabilityDeno is a JavaScript, TypeScript, and WebAssembly runtime. Before 2.5.6, a prior patch aimed to block spawning Windows batch/shell files by returning…EPSS 0.68%9.8CVE-2023-33966Deno improper privilege management vulnerabilityDeno is a runtime for JavaScript and TypeScript. In deno 1.34.0 and deno_runtime 0.114.0, outbound HTTP requests made using the built-in `node:http` …EPSS 0.63%9.8CVE-2023-28445Deno out-of-bounds read vulnerabilityDeno is a runtime for JavaScript and TypeScript that uses V8 and is built in Rust. Resizable ArrayBuffers passed to asynchronous functions that are s…EPSS 0.97%9.8CVE-2021-32619Deno improper authorization vulnerabilityDeno is a runtime for JavaScript and TypeScript that uses V8 and is built in Rust. In Deno versions 1.5.0 to 1.10.1, modules that are dynamically imp…EPSS 1.1%9.2CVE-2026-22863Deno vulnerabilityDeno is a JavaScript, TypeScript, and WebAssembly runtime. Before 2.6.0, node:crypto doesn't finalize cipher. The vulnerability allows an attacker to…EPSS 0.21%9.1CVE-2026-44726Deno cleartext transmission vulnerabilityDeno is a JavaScript, TypeScript, and WebAssembly runtime. From 2.0.0 until 2.7.8, a flaw in Deno's Node.js tls compatibility layer could cause a TLS…EPSS 0.23%

Source: NIST National Vulnerability Database (record CVE-2026-27190), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.