CVE-2026-27190
CRITICALCVSS 9.8/10EPSS 2.21%
Last modified
CVE-2026-27190 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 2.21% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Deno | Deno | < 2.6.8 |
References
- https://github.com/denoland/deno/releases/tag/v2.6.8Product, Release Notes
- https://github.com/denoland/deno/security/advisories/GHSA-hmh4-3xvx-q5hrExploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-27190?
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.
How severe is CVE-2026-27190?
CVE-2026-27190 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.21% probability of exploitation in the next 30 days.
How do I fix CVE-2026-27190?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2026-27190?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST