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CVE-2026-4599

CRITICAL

9.1

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.

CVE Details

CVSS v3.1 Score9.1

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/23/2026

Last Modified3/23/2026

Sourcenvd

Honeypot Sightings0

Affected Products

jsrsasign_project:jsrsasign

Weaknesses (CWE)

CWE-1023

References

https://gist.github.com/Kr0emer/081681818b51605c91945126d74b4f20(report@snyk.io)

https://github.com/kjur/jsrsasign/commit/ee4b013478366cb16cea9a4bdfb218b6077f83b1(report@snyk.io)

https://github.com/kjur/jsrsasign/pull/647(report@snyk.io)

https://security.snyk.io/vuln/SNYK-JS-JSRSASIGN-15370939(report@snyk.io)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.