High severityNVD Advisory· Published Feb 20, 2026· Updated Feb 24, 2026
Deno has a Command Injection via Incomplete shell metacharacter blocklist in node:child_process
CVE-2026-27190
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
denocrates.io | < 2.6.8 | 2.6.8 |
Affected products
2Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-hmh4-3xvx-q5hrghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-27190ghsaADVISORY
- github.com/denoland/deno/commit/9132ad958c83a0d0b199de12b69b877f63edab4cghsax_refsource_MISCWEB
- github.com/denoland/deno/releases/tag/v2.6.8ghsax_refsource_MISCWEB
- github.com/denoland/deno/security/advisories/GHSA-hmh4-3xvx-q5hrghsax_refsource_CONFIRMWEB
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