Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 9.8 | Critical | 3.0 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | GitHub Advisory Database |
- CISA KEV Not listed.
- EPSS 0.043, the 91st percentile, on 8 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
Sources
- GitHub Advisory Database: GHSA-4g4c-8gqh-m4vm
- OSV: GHSA-4g4c-8gqh-m4vm
- nvd.nist.gov/vuln/detail/CVE-2019-13589
- github.com/rubygems/rubygems.org/issues/2051
- github.com/anjlab/paranoid2
- github.com/rubysec/ruby-advisory-db/blob/master/gems/paranoid2/CVE-2019-13589.yml
- rubygems.org/gems/paranoid2/versions
- snyk.io/vuln/SNYK-RUBY-PARANOID2-451600
- www.securityfocus.com/bid/109281