$ cve CVE-2019-14282 JSON

CVE-2019-14282

9.8

CRITICAL · CVSS 3.0 · EPSS 3.1% (pctl 87)

In your normal cycle

Critical by CVSS (9.8), but no sign of active exploitation.

The simple_captcha2 gem 0.2.3 for Ruby, as distributed on RubyGems.org, included a code-execution backdoor inserted by a third party.

CVSS	9.8 (CRITICAL, v3.0)
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS	3.12% — more likely to be exploited than 87% of all CVEs
Weakness	CWE-94
On CISA KEV	no
Public exploit	none known
Published	2019-07-26
Last modified	2026-06-17

Vendor	Product
simple captcha2 project	simple captcha2