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 |
|---|---|---|---|---|
| 9.6 | Critical | 3.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H | CNA (GitHub_M) |
- CISA KEV Not listed.
- EPSS 0.0047, the 41st percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
Sources
- GitHub Advisory Database: GHSA-pf56-329r-95rw
- OSV: GHSA-pf56-329r-95rw
- github.com/sigstore/sigstore-js/security/advisories/GHSA-pf56-329r-95rw
- nvd.nist.gov/vuln/detail/CVE-2026-59891
- github.com/sigstore/sigstore-js/commit/85c58380758b97ce1b74ef470e55cc21f9d3aa89
- github.com/sigstore/sigstore-js
- github.com/sigstore/sigstore-js/releases/tag/%40sigstore%2Foci%400.7.1