CVE-2026-4602
ADVISORY - githubSummary
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.
EPSS Score: 0.00051 (0.158)
Common Weakness Enumeration (CWE)
ADVISORY - nist
Incorrect Conversion between Numeric Types
ADVISORY - github
Incorrect Conversion between Numeric Types
ADVISORY - redhat
Incorrect Conversion between Numeric Types
NIST
CREATED
UPDATED
ADVISORY IDCVE-2026-4602
EXPLOITABILITY SCORE
3.9
EXPLOITS FOUND
COMMON WEAKNESS ENUMERATION (CWE)
CVSS SCORE
7.7highGitHub
CREATED
UPDATED
ADVISORY IDGHSA-8qwj-4jxw-m8jw
EXPLOITABILITY SCORE
3.9
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)
CVSS SCORE
7.7highRed Hat
CREATED
UPDATED
ADVISORY IDCVE-2026-4602
EXPLOITABILITY SCORE
3.9
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)