CVE-2026-27190 Details
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.
A command injection vulnerability has been identified in Deno versions prior to 2.6.8, specifically within the 'node:child_process' module. The issue arises from an incomplete blocklist of shell metacharacters, which could be exploited to execute arbitrary commands.
Users are advised to update Deno to version 2.6.8 or later, where this vulnerability has been patched.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Feb 24, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/denoland/deno/commit/9132ad958c83a0d0b199de12b69b877f63edab4c | [email protected] | Patch |
| https://github.com/denoland/deno/releases/tag/v2.6.8 | [email protected] | ProductRelease Notes |
| https://github.com/denoland/deno/security/advisories/GHSA-hmh4-3xvx-q5hr | [email protected] | ExploitVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-78 | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| deno deno | < 2.6.8 |
CPE
Remediation
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Mar 2, 2026 | Initial Analysis | [email protected] |
| Feb 20, 2026 | New CVE Received | [email protected] |