{"cve":"CVE-2026-4599","nvd":{"published":"2026-03-23T06:16:21.513","modified":"2026-09-10T13:20:21.650","status":"Modified","description":"Versions of the package jsrsasign from 7.0.0 and before 11.1.1 are vulnerable to Incomplete Comparison with Missing Factors via the getRandomBigIntegerZeroToMax and getRandomBigIntegerMinToMax functions in src/crypto-1.1.js; an attacker can recover the private key by exploiting the incorrect compareTo checks that accept out-of-range candidates and thus bias DSA nonces during signature generation.","cvss_v4":{"vector":"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","score":9.3},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","score":9.1},"cwes":["CWE-1023","CWE-338"],"references":["https://gist.github.com/Kr0emer/081681818b51605c91945126d74b4f20","https://github.com/kjur/jsrsasign/commit/ee4b013478366cb16cea9a4bdfb218b6077f83b1","https://github.com/kjur/jsrsasign/pull/647","https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-15812264","https://security.snyk.io/vuln/SNYK-JS-JSRSASIGN-15370939"],"products":["kjur:jsrsasign"],"source":"nvd","synced_at":"2026-10-19T22:26:19.218427112+00:00"},"epss":{"cve":"CVE-2026-4599","score":0.00485,"percentile":0.41797,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-5jx8-q4cp-rhh6","url":"https://osv.dev/vulnerability/GHSA-5jx8-q4cp-rhh6","summary":"jsrsasign: Incomplete Comparison Allows DSA Private Key Recovery via Biased Nonce Generation","modified":"2026-07-21T14:00:32.742161802Z","packages":[{"ecosystem":"npm","name":"jsrsasign","purl":"pkg:npm/jsrsasign","ranges":[">=7.0.0 <11.1.1"],"fixed":["11.1.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}