CVE-2026-27190

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

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

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

GHSA-M3C4-PRHW-MRX6 Deno has an incomplete fix for command-injection prevention on Windows — case-insensitive extension bypass

Summary A prior patch aimed to block spawning Windows batch/shell files by returning an error when a spawned path’s extension matched .bat or .cmd. That check performs a case-sensitive comparison against lowercase literals and therefore can be bypassed when the extension uses alternate casing for...