Vulnerability in Jsrsasign_project Jsrsasign

CVE-2026-4600

Versions of the package jsrsasign before 11.1.1 are vulnerable to Improper Verification of Cryptographic Signature via the DSA domain-parameter validation in KJUR.crypto.DSA.setPublic (and the related DSA/X509 verification flow in src/dsa-…

EPSS: 0.000 (1.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-4600?
CVE-2026-4600 is a high-severity vulnerability in Jsrsasign_project Jsrsasign, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.4/10. Published 2026-03-23.
How severe is CVE-2026-4600?
High severity. CVSS v3 base score is 7.4 out of 10.