What’s Vulnerable › Vulnerabilities

CVE-2019-14282

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-07-26 · updated 2026-06-17
• Weakness: CWE-94

Description

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

Affected products

• Simple Captcha2 Project Simple Captcha2: 0.2.3

References

• https://github.com/rubygems/rubygems.org/issues/2073
• https://rubygems.org/gems/simple_captcha2/versions/
• https://snyk.io/vuln/SNYK-RUBY-SIMPLECAPTCHA2-455501
• https://github.com/rubygems/rubygems.org/issues/2073
• https://rubygems.org/gems/simple_captcha2/versions/
• https://snyk.io/vuln/SNYK-RUBY-SIMPLECAPTCHA2-455501

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