{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-25T06:31:32.994","vulnerabilities":[{"cve":{"id":"CVE-2026-4600","sourceIdentifier":"report@snyk.io","published":"2026-03-23T06:16:21.697","lastModified":"2026-03-23T16:41:55.403","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"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-2.0.js). An attacker can forge DSA signatures or X.509 certificates that X509.verifySignature() accepts by supplying malicious domain parameters such as g=1, y=1, and a fixed r=1, which make the verification equation true for any hash."},{"lang":"es","value":"Las versiones del paquete jsrsasign anteriores a la 11.1.1 son vulnerables a la Verificación Incorrecta de Firma Criptográfica a través de la validación de parámetros de dominio DSA en KJUR.crypto.DSA.setPublic (y el flujo de verificación DSA/X509 relacionado en src/dsa-2.0.js). Un atacante puede falsificar firmas DSA o certificados X.509 que X509.verifySignature() acepta al suministrar parámetros de dominio maliciosos como g=1, y=1, y un r=1 fijo, lo que hace que la ecuación de verificación sea verdadera para cualquier hash."}],"metrics":{"cvssMetricV40":[{"source":"report@snyk.io","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":9.1,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"PROOF_OF_CONCEPT","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"source":"report@snyk.io","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","baseScore":7.4,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":2.2,"impactScore":5.2},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","baseScore":9.1,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":5.2}]},"weaknesses":[{"source":"report@snyk.io","type":"Secondary","description":[{"lang":"en","value":"CWE-347"}]},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-347"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:jsrsasign_project:jsrsasign:*:*:*:*:*:node.js:*:*","versionEndExcluding":"11.1.1","matchCriteriaId":"1EBBE1A6-4D19-4ED2-859C-73AFBDA25DEA"}]}]}],"references":[{"url":"https://gist.github.com/Kr0emer/bf15ddc097176e951659a24a8e9002a7","source":"report@snyk.io","tags":["Exploit","Mitigation","Third Party Advisory"]},{"url":"https://github.com/kjur/jsrsasign/commit/37b4c06b145c7bfd6bc2a6df5d0a12c56b15ef60","source":"report@snyk.io","tags":["Patch"]},{"url":"https://github.com/kjur/jsrsasign/pull/646","source":"report@snyk.io","tags":["Issue Tracking"]},{"url":"https://security.snyk.io/vuln/SNYK-JS-JSRSASIGN-15370940","source":"report@snyk.io","tags":["Third Party Advisory"]},{"url":"https://gist.github.com/Kr0emer/bf15ddc097176e951659a24a8e9002a7","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["Exploit","Mitigation","Third Party Advisory"]}]}}]}