Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-4602

Versions of the package jsrsasign before 11.1.1 are vulnerable to Incorrect Conversion between Numeric Types due to handling negative exponents in ext/jsbn2.js. An attacker can force the computation of incorrect modular inverses and break signature verification by calling modPow with a negative exponent.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 12.5%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-4602


Contact Us

Shodan ® - All rights reserved