CVE-2026-103473
Deno 2.7.0 through 2.9.7 Command Injection via node:child_process
denoland denoRuntimes & languages
CVSS
9.2CriticalExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)1.47%Chance of exploitation activity in the next 30 days, higher than 73% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
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.
Text from CVE List
Affected versions 1
- denoaffected: 2.7.0 through 2.9.7CVE List
References 5
- github.com/denoland/deno/pull/36772Fixvia CVE List
- vulncheck.com/advisories/deno-2.7.0-through-2.9.7-command-injection-via-node-child-processAdvisoryvia CVE List
- github.com/denoland/denoReferencevia CVE List
- github.com/denoland/deno/blob/0c071246a412575e07423263404a5d13e7ed6aa2/ext/node/polyfills/internal/child_process.ts#L1499Referencevia CVE List
- github.com/denoland/deno/blob/0c071246a412575e07423263404a5d13e7ed6aa2/ext/node/polyfills/internal/child_process.ts#L1339Referencevia CVE List