What’s Vulnerable › Vulnerabilities

CVE-2019-17268

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-02-07 · updated 2026-06-17
• Weakness: CWE-94

Description

The omniauth-weibo-oauth2 gem 0.4.6 for Ruby, as distributed on RubyGems.org, included a code-execution backdoor inserted by a third party. Versions through 0.4.5, and 0.5.1 and later, are unaffected.

Affected products

• Omniauth-Weibo-Oauth2 Project Omniauth-Weibo-Oauth2: 0.4.6

References

• https://diff.coditsu.io/diffs/09a05c37-1b34-49e1-ac94-d4dda40d1ad1#d2h-971595
• https://github.com/beenhero/omniauth-weibo-oauth2/issues/36
• https://diff.coditsu.io/diffs/09a05c37-1b34-49e1-ac94-d4dda40d1ad1#d2h-971595
• https://github.com/beenhero/omniauth-weibo-oauth2/issues/36

Get alerted when CVE-2019-17268 or the next vulnerability affects your stack