CVE-2026-103473
Deno 2.7.0 through 2.9.7 Command Injection via node:child_process
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-78 |
| Vendor | denoland |
| Product | deno |
| Published | Sep 30, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
denoland / deno
2.7.0 ≤ 2.9.7
References
github.com: https://github.com/denoland/deno/pull/36772 github.com: https://github.com/denoland/deno github.com: https://github.com/denoland/deno/blob/0c071246a412575e07423263404a5d13e7ed6aa2/ext/node/polyfills/internal/child_process.ts#L1499 github.com: https://github.com/denoland/deno/blob/0c071246a412575e07423263404a5d13e7ed6aa2/ext/node/polyfills/internal/child_process.ts#L1339 vulncheck.com: https://www.vulncheck.com/advisories/deno-2.7.0-through-2.9.7-command-injection-via-node-child-process
Credits
PVUDivakar