CVE-2019-5420

PoC ×2—

CVSS 3.1

9.8 critical

EPSS

92%p100

Published

Mar 27, 2019 (Mar 27, 2019)

Modified

Jun 17, 2026

Description

A remote code execution vulnerability in development mode Rails <5.2.2.1, <6.0.0.beta3 can allow an attacker to guess the automatically generated development mode secret token. This secret token can be used in combination with other Rails internals to escalate to a remote code execution exploit.

Vendors: rubyonrails debian fedoraproject
Products: rails, debian linux, fedora
Weakness: CWE-77, CWE-330
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (92.1%)

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