CVE-2026-103473
Deno 2.7.0 through 2.9.7 Command Injection via node:child_process
- State
- Published
- Severity
- 9.2 Critical
- Published
- Sep 30, 2026
- Updated
- Oct 2, 2026
- Reserved
- Sep 30, 2026
Description
Deno versions 2.7.0 through 2.9.7 on Windows contain a command injection vulnerability in node:child_process where shell arguments are escaped for the wrong shell type. Attackers can inject OS commands by passing untrusted arguments with the shell option, allowing arbitrary command execution with Deno process privileges.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.2 Critical | CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 8.1 High | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Affected Products
| Product | Versions |
|---|---|
denodenoland |
|
References
- Pull Request #36772issue-trackingpatch
- https://github.com/denoland/denoproduct
- https://github.com/denoland/deno/blob/0c071246a412575e07423263404a5d13e7ed6aa2/ext/node/polyfills/internal/child_process.ts#L1499technical-description
- https://github.com/denoland/deno/blob/0c071246a412575e07423263404a5d13e7ed6aa2/ext/node/polyfills/internal/child_process.ts#L1339technical-description
- VulnCheck Advisory: Deno 2.7.0 through 2.9.7 Command Injection via node:child_processthird-party-advisory
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