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 |
|---|---|---|---|---|
| 5.4 | Medium | 3.0 | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N | CNA (redhat) |
- CISA KEV Not listed.
- EPSS 0.0100, the 62nd percentile, on 8 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
Sources
- GitHub Advisory Database: GHSA-mhhc-r88h-2qrm
- OSV: GHSA-mhhc-r88h-2qrm
- nvd.nist.gov/vuln/detail/CVE-2018-16887
- access.redhat.com/errata/RHSA-2019:1222
- bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16887
- github.com/Katello/katello
- github.com/rubysec/ruby-advisory-db/blob/master/gems/katello/CVE-2018-16887.yml