What is CVE-2023-27849?

CVE-2023-27849 is a critical-severity vulnerability in Rails-Routes-To-Json Project, classified under Command Injection. CVSS score: 9.8/10. Published 2023-04-24.

How severe is CVE-2023-27849?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Rails-Routes-To-Json Project

CVE-2023-27849

rails-routes-to-json v1.0.0 was discovered to contain a remote code execution (RCE) vulnerability via the child_process function.

Vulnerability class: Command Injection (OS Command Injection)

Published 2023-04-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.018 (77.5th percentile), scored 2026-10-05.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Rails-Routes-To-Json Project — versions 1.0.0

Weakness classification (CWE)

CWE-77 — Command Injection

References

www.npmjs.com/package/rails-routes-to-json (Broken Link)
github.com/omnitaint/Vulnerability-Reports/blob/2211ea4712f24d20b7f223fb737910f… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-27849?: CVE-2023-27849 is a critical-severity vulnerability in Rails-Routes-To-Json Project, classified under Command Injection. CVSS score: 9.8/10. Published 2023-04-24.
How severe is CVE-2023-27849?: Critical severity. CVSS v3 base score is 9.8 out of 10.