CVE-2019-17268
CRITICALCVSS 9.8/10EPSS 2.44%
Last modified
CVE-2019-17268 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 2.44% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Omniauth-Weibo-Oauth2 Project | Omniauth-Weibo-Oauth2 | 0.4.6 |
References
- https://diff.coditsu.io/diffs/09a05c37-1b34-49e1-ac94-d4dda40d1ad1#d2h-971595Patch, Third Party Advisory
- https://github.com/beenhero/omniauth-weibo-oauth2/issues/36Patch, Third Party Advisory
- https://diff.coditsu.io/diffs/09a05c37-1b34-49e1-ac94-d4dda40d1ad1#d2h-971595Patch, Third Party Advisory
- https://github.com/beenhero/omniauth-weibo-oauth2/issues/36Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-17268?
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.
How severe is CVE-2019-17268?
CVE-2019-17268 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.44% probability of exploitation in the next 30 days.
How do I fix CVE-2019-17268?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-17268?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST