VDB
CVE-2026-4599
CVE-2026-4599
PUBLISHED
CVSS 9.300000190734863 CRITICAL
jsrsasign: Incomplete Comparison Allows DSA Private Key Recovery via Biased Nonce Generation
EPSS 0.78% · 54.3th percentile
Risk Scores
CVSS 4.0
9.300000190734863
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score
0.78%
54.3th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| jsrsasign_project | jsrsasign | 7.0.0, 7.0.0, 7.0.0 |
| npm | jsrsasign | 7.0.0 |
| n/a | jsrsasign | 7.0.0, 7.0.0, 7.0.0 |
Timeline
- Mar 23, 2026 CVE Published
- Mar 23, 2026 EPSS Score
- Mar 23, 2026 PoC Published
- Mar 23, 2026 PoC Published
- Mar 23, 2026 PoC Published
- Mar 23, 2026 PoC Published
- Mar 24, 2026 EPSS Score
- Mar 25, 2026 EPSS Score
- Mar 25, 2026 Coalition ESS Score
- Mar 26, 2026 EPSS Score
- Mar 26, 2026 Coalition ESS Score
- Mar 27, 2026 Coalition ESS Score
References
- https://github.com/kjur/jsrsasign/commit/ee4b013478366cb16cea9a4bdfb218b6077f83b1 patch
- https://github.com/kjur/jsrsasign/pull/647 url
- https://security.snyk.io/vuln/SNYK-JS-JSRSASIGN-15370939 url
- https://nvd.nist.gov/vuln/detail/CVE-2026-4599 advisory
- https://gist.github.com/Kr0emer/081681818b51605c91945126d74b4f20 url
- https://github.com/kjur/jsrsasign package