Vulnerability Information
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Vulnerability Title
Command Injection via incomplete shell metacharacter blocklist in node:child_process (bypass of CVE-2026-27190 fix)
Vulnerability Description
Deno 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 polyfill (shell: true mode) that bypasses the fix for CVE-2026-27190. The two-stage argument sanitization in transformDenoShellCommand (ext/node/polyfills/internal/child_process.ts) has a priority bug: when an argument contains a $VAR pattern, it is wrapped in double quotes (L1290) instead of single quotes. Double quotes in POSIX sh do not suppress backtick command substitution, allowing injected commands to execute. An attacker who controls arguments passed to spawnSync or spawn with shell: true can execute arbitrary OS commands, bypassing Deno's permission system. This vulnerability is fixed in 2.7.2.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Vulnerability Title
Deno 操作系统命令注入漏洞
Vulnerability Description
Deno是Deno开源的一个简单、现代且安全的 JavaScript 和 TypeScript 运行环境。 Deno 2.7.0版本至2.7.1版本存在操作系统命令注入漏洞，该漏洞源于node:child_process polyfill中存在命令注入，可能导致绕过权限系统执行任意操作系统命令。
CVSS Information
N/A
Vulnerability Type
N/A