by Kastro
Paper/Archive/CVE-2026-27190

CVE-2026-27190

denoland deno — Deno has a Command Injection via Incomplete shell metacharacter blocklist in node:child_process

EPSS 2%public exploitCVSS 9.8
critical.is priorityof 100
56
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 84.4.844 × 2016.9Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
deno< 2.6.8–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub_M (CNA)8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: total

References

refgithub.com/denoland/deno/security/advisories/GHSA-hmh4-3xvx-q5hrrefgithub.com/denoland/deno/commit/9132ad958c83a0d0b199de12b69b877f63edab4crefgithub.com/denoland/deno/releases/tag/v2.6.8