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CVE Vulnerability Details :

CVE-2026-27190

PUBLISHED

More Info Official Page

Assigner-GitHub_M

Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa

Published At-20 Feb, 2026 | 20:52

Updated At-20 Feb, 2026 | 20:52

▼CVE Numbering Authority (CNA)

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:child_process implementation. This vulnerability is fixed in 2.6.8.

Affected Products

Vendor

denoland

Product

deno

Versions

Affected

< 2.6.8

Problem Types

Type	CWE ID	Description
CWE	CWE-78	CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Type: CWE

CWE ID: CWE-78

Description: CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Metrics

Version	Base score	Base severity	Vector
3.1	8.1	HIGH	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Version: 3.1

Base score: 8.1

Base severity: HIGH

Vector:

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

References

Hyperlink	Resource
https://github.com/denoland/deno/security/advisories/GHSA-hmh4-3xvx-q5hr	x_refsource_CONFIRM
https://github.com/denoland/deno/commit/9132ad958c83a0d0b199de12b69b877f63edab4c	x_refsource_MISC
https://github.com/denoland/deno/releases/tag/v2.6.8	x_refsource_MISC

Hyperlink: https://github.com/denoland/deno/security/advisories/GHSA-hmh4-3xvx-q5hr

Resource:

x_refsource_CONFIRM

Hyperlink: https://github.com/denoland/deno/commit/9132ad958c83a0d0b199de12b69b877f63edab4c

Resource:

x_refsource_MISC

Hyperlink: https://github.com/denoland/deno/releases/tag/v2.6.8

Resource:

x_refsource_MISC

Affected Products

Affected

Problem Types

Metrics

Metrics Other Info

Impacts

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Exploits

Credits

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References