CVE-2026-4602

{"id": "CVE-2026-4602", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-4602", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-03-23T14:37:35.060950Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "report@snyk.io", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}], "cvssMetricV40": [{"type": "Secondary", "source": "report@snyk.io", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 7.7, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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", "exploitMaturity": "PROOF_OF_CONCEPT", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "report@snyk.io", "affectedData": [{"vendor": "n/a", "product": "jsrsasign", "versions": [{"status": "affected", "version": "0", "lessThan": "11.1.1", "versionType": "semver"}]}, {"vendor": "n/a", "product": "org.webjars.npm:jsrsasign", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "semver"}]}]}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "affectedData": [{"cpes": ["cpe:/a:redhat:migration_toolkit_virtualization:2.10::el9"], "vendor": "Red Hat", "product": "Migration Toolkit for Virtualization 2.1", "versions": [{"status": "unaffected", "version": "1779139872", "lessThan": "*", "versionType": "rpm"}], "packageName": "migration-toolkit-virtualization/mtv-console-plugin-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:migration_toolkit_virtualization:2.9::el9"], "vendor": "Red Hat", "product": "Migration Toolkit for Virtualization 2.9", "versions": [{"status": "unaffected", "version": "1778927462", "lessThan": "*", "versionType": "rpm"}], "packageName": "migration-toolkit-virtualization/mtv-console-plugin-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:quay:3.10::el8"], "vendor": "Red Hat", "product": "Red Hat Quay 3.1", "versions": [{"status": "unaffected", "version": "1775169155", "lessThan": "*", "versionType": "rpm"}], "packageName": "quay/quay-rhel8", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:quay:3.12::el8"], "vendor": "Red Hat", "product": "Red Hat Quay 3.12", "versions": [{"status": "unaffected", "version": "1775253092", "lessThan": "*", "versionType": "rpm"}], "packageName": "quay/quay-rhel8", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:quay:3.15::el8"], "vendor": "Red Hat", "product": "Red Hat Quay 3.15", "versions": [{"status": "unaffected", "version": "1775169219", "lessThan": "*", "versionType": "rpm"}], "packageName": "quay/quay-rhel8", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:quay:3.16::el9"], "vendor": "Red Hat", "product": "Red Hat Quay 3.16", "versions": [{"status": "unaffected", "version": "1779204086", "lessThan": "*", "versionType": "rpm"}], "packageName": "quay/quay-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:quay:3.9::el8"], "vendor": "Red Hat", "product": "Red Hat Quay 3.9", "versions": [{"status": "unaffected", "version": "1775169218", "lessThan": "*", "versionType": "rpm"}], "packageName": "quay/quay-rhel8", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}]}], "published": "2026-03-23T06:16:22.070", "references": [{"url": "https://gist.github.com/Kr0emer/7ecd2be7d17419e4677315ef3758faf5", "tags": ["Exploit", "Mitigation", "Third Party Advisory"], "source": "report@snyk.io"}, {"url": "https://github.com/kjur/jsrsasign/commit/5ea1c32bb2aa894b4bd29849839afe4f98728195", "tags": ["Patch"], "source": "report@snyk.io"}, {"url": "https://github.com/kjur/jsrsasign/pull/650", "tags": ["Issue Tracking"], "source": "report@snyk.io"}, {"url": "https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-15812274", "source": "report@snyk.io"}, {"url": "https://security.snyk.io/vuln/SNYK-JS-JSRSASIGN-15371175", "tags": ["Third Party Advisory"], "source": "report@snyk.io"}, {"url": "https://access.redhat.com/errata/RHSA-2026:19375", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:19409", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:19410", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:6568", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:6720", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:6912", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:6926", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-4602", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2450206", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4602.json", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "report@snyk.io", "description": [{"lang": "en", "value": "CWE-681"}]}, {"type": "Secondary", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "description": [{"lang": "en", "value": "CWE-681"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Las versiones del paquete jsrsasign anteriores a la 11.1.1 son vulnerables a Conversi\u00f3n Incorrecta entre Tipos Num\u00e9ricos debido al manejo de exponentes negativos en ext/jsbn2.js. Un atacante puede forzar el c\u00e1lculo de inversas modulares incorrectas y romper la verificaci\u00f3n de firmas al llamar a modPow con un exponente negativo."}], "lastModified": "2026-07-20T12:19:38.580", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:kjur:jsrsasign:*:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "46D62CE4-1F1B-44DF-BFAB-86FE57D7A194", "versionEndExcluding": "11.1.1"}], "operator": "OR"}]}], "sourceIdentifier": "report@snyk.io"}