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 |
|---|---|---|---|---|
| 6.6 | Medium | 4.0 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U | CNA (GitHub_M) |
- CISA KEV Not listed.
- EPSS 0.0058, the 48th 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-47m2-26rw-j2jw
- OSV: GHSA-47m2-26rw-j2jw
- github.com/rack/rack/security/advisories/GHSA-47m2-26rw-j2jw
- nvd.nist.gov/vuln/detail/CVE-2025-49007
- github.com/rack/rack/commit/4795831a0a310c2d31102749e551b38faab6401f
- github.com/rack/rack/commit/aed514df37e33907df3c971ed3ca9a0a20ac2901
- github.com/rack/rack
- github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2025-49007.yml