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 | 3.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N | CNA (GitHub_M) |
- CISA KEV Not listed.
- EPSS 0.0064, the 50th percentile, on 5 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-9hf4-67fc-4vf4
- OSV: GHSA-9hf4-67fc-4vf4
- github.com/puma/puma/security/advisories/GHSA-9hf4-67fc-4vf4
- nvd.nist.gov/vuln/detail/CVE-2024-45614
- github.com/puma/puma/commit/cac3fd18cf29ed43719ff5d52d9cfec215f0a043
- github.com/puma/puma/commit/f196b23be24712fb8fb16051cc124798cc84f70e
- github.com/puma/puma
- github.com/rubysec/ruby-advisory-db/blob/master/gems/puma/CVE-2024-45614.yml
- lists.debian.org/debian-lts-announce/2024/11/msg00004.html
- nginx.org/en/docs/http/ngx_http_core_module.html#underscores_in_headers