Vulnerability in Jsrsasign_project Jsrsasign
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…
EPSS: 0.005 (39.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Jsrsasign_project Jsrsasign
- Kjur Jsrsasign
- N/a Jsrsasign — versions 0
- N/a Org.webjars.npm:jsrsasign — versions 0
Weakness classification (CWE)
References
- report@snyk.io (Third Party Advisory)
- report@snyk.io (Exploit, Third Party Advisory, Mitigation)
- report@snyk.io (Issue Tracking)
- report@snyk.io (Patch)
- report@snyk.io
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Frequently asked questions
- What is CVE-2026-4602?
- CVE-2026-4602 is a high-severity vulnerability in Jsrsasign_project Jsrsasign, classified under Incorrect Conversion between Numeric Types. CVSS score: 7.5/10. Published 2026-03-23.
- How severe is CVE-2026-4602?
- High severity. CVSS v3 base score is 7.5 out of 10.