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 |
|---|---|---|---|---|
| 7.1 | High | 3.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N | CNA (GitHub_M) |
- CISA KEV Not listed.
- EPSS 0.0060, the 49th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 15:16 UTC First seen by agentprime
- 31 Oct 2026, 15:16 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-242p-4v39-2v8g
- OSV: GHSA-242p-4v39-2v8g
- github.com/phlex-ruby/phlex/security/advisories/GHSA-242p-4v39-2v8g
- nvd.nist.gov/vuln/detail/CVE-2024-28199
- github.com/phlex-ruby/phlex/commit/aa50c604cdee1d0ce7ef068a4c66cbd5d43f96a1
- developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy
- developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy#unsafe-inline
- github.com/phlex-ruby/phlex
- github.com/rubysec/ruby-advisory-db/blob/master/gems/phlex/CVE-2024-28199.yml