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 |
|---|---|---|---|---|
| 9.1 | Critical | 4.0 | CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:P | CNA (snyk) |
- CISA KEV Not listed.
- EPSS 0.0036, the 30th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
Sources
- GitHub Advisory Database: GHSA-wvqx-v3f6-w8rh
- OSV: GHSA-wvqx-v3f6-w8rh
- nvd.nist.gov/vuln/detail/CVE-2026-4600
- github.com/kjur/jsrsasign/pull/646
- github.com/kjur/jsrsasign/commit/37b4c06b145c7bfd6bc2a6df5d0a12c56b15ef60
- security.snyk.io/vuln/SNYK-JS-JSRSASIGN-15370940
- security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-15812268
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4600.json
- github.com/kjur/jsrsasign
- gist.github.com/Kr0emer/bf15ddc097176e951659a24a8e9002a7
- bugzilla.redhat.com/show_bug.cgi?id=2450208
- access.redhat.com/security/cve/CVE-2026-4600
- access.redhat.com/errata/RHSA-2026:6926
- access.redhat.com/errata/RHSA-2026:6912