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TI-2019-12883 Aliases CVE-2019-17268GHSA-vr22-43gj-rx3f

The omniauth-weibo-oauth2 gem 0.4.6 for Ruby, as distributed on RubyGems.org, included a…

Priority MEDIUM 47CWE-94Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-94.

Summary

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.

Why it matters now

EPSS 0.02437 84th percentileScored 2026-11-07
Fix Fixed omniauth-weibo-oauth2 (RubyGems): 0.5.1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—omniauth-weibo-oauth2 (RubyGems)0.4.6 to before 0.5.10.5.1Patch availableGHSA-vr22-43gj-rx3f
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • omniauth-weibo-oauth2 (RubyGems) Vendor— Affected 0.4.6 to before 0.5.1 Fixed in 0.5.1 Patch available GHSA-vr22-43gj-rx3f

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:omniauth-weibo-oauth2_project:omniauth-weibo-oauth2:0.4.6:*:*:*:*:ruby:*:*0.4.6VulnerableOmniauth-weibo-oauth2 Project

Remediation

  • Fix · GHSA-vr22-43gj-rx3f omniauth-weibo-oauth2 (RubyGems) Fixed in 0.5.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-17268
  2. 2026-10-03 Alias added: GHSA-vr22-43gj-rx3f

References

Sources