Incomplete Comparison with Missing Factors Affecting org.webjars.npm:jsrsasign package, versions [8.0.12,]
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published30 Mar 2026
- disclosed17 Feb 2026
- creditKr0emer
Introduced: 17 Feb 2026
CVE-2026-4599 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
org.webjars.npm:jsrsasign is a free pure JavaScript cryptographic library.
Affected versions of this package 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.