{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-4601", "assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "state": "PUBLISHED", "assignerShortName": "snyk", "dateReserved": "2026-03-22T16:26:10.973Z", "datePublished": "2026-03-23T05:00:13.312Z", "dateUpdated": "2026-07-15T00:51:45.380Z" }, "containers": { "cna": { "metrics": [ { "cvssV3_1": { "version": "3.1", "attackVector": "NETWORK", "attackComplexity": "HIGH", "exploitCodeMaturity": "PROOF_OF_CONCEPT", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N/E:P" }, "cvssV4_0": { "version": "4.0", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "baseScore": 9.4, "baseSeverity": "CRITICAL", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:H/SA:N/E:P" } } ], "credits": [ { "value": "Kr0emer", "lang": "en" } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-325", "description": "Missing Cryptographic Step", "lang": "en" } ] } ], "providerMetadata": { "orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "shortName": "snyk", "dateUpdated": "2026-03-23T05:00:13.312Z" }, "descriptions": [ { "value": "Versions of the package jsrsasign before 11.1.1 are vulnerable to Missing Cryptographic Step via the KJUR.crypto.DSA.signWithMessageHash process in the DSA signing implementation. An attacker can recover the private key by forcing r or s to be zero, so the library emits an invalid signature without retrying, and then solves for x from the resulting signature.", "lang": "en" } ], "references": [ { "url": "https://security.snyk.io/vuln/SNYK-JS-JSRSASIGN-15370941" }, { "url": "https://gist.github.com/Kr0emer/93789fe6efe5519db9692d4ad1dad586" }, { "url": "https://github.com/kjur/jsrsasign/pull/645" }, { "url": "https://github.com/kjur/jsrsasign/commit/0710e392ec35de697ce11e4219c988ba2b5fe0eb" } ], "affected": [ { "product": "jsrsasign", "versions": [ { "version": "0", "lessThan": "11.1.1", "status": "affected", "versionType": "semver" } ], "vendor": "n/a" } ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-03-23T14:41:01.570897Z", "id": "CVE-2026-4601", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-23T14:41:10.087Z" } }, { "affected": [ { "collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": [ "cpe:/a:redhat:migration_toolkit_virtualization:2.10::el9" ], "defaultStatus": "affected", "packageName": "migration-toolkit-virtualization/mtv-console-plugin-rhel9", "product": "Migration Toolkit for Virtualization 2.1", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "1779139872", "versionType": "rpm" } ] }, { "collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": [ "cpe:/a:redhat:migration_toolkit_virtualization:2.9::el9" ], "defaultStatus": "affected", "packageName": "migration-toolkit-virtualization/mtv-console-plugin-rhel9", "product": "Migration Toolkit for Virtualization 2.9", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "1778927462", "versionType": "rpm" } ] }, { "collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": [ "cpe:/a:redhat:quay:3.10::el8" ], "defaultStatus": "affected", "packageName": "quay/quay-rhel8", "product": "Red Hat Quay 3.10", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "1775169155", "versionType": "rpm" } ] }, { "collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": [ "cpe:/a:redhat:quay:3.12::el8" ], "defaultStatus": "affected", "packageName": "quay/quay-rhel8", "product": "Red Hat Quay 3.12", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "1775253092", "versionType": "rpm" } ] }, { "collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": [ "cpe:/a:redhat:quay:3.15::el8" ], "defaultStatus": "affected", "packageName": "quay/quay-rhel8", "product": "Red Hat Quay 3.15", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "1775169219", "versionType": "rpm" } ] }, { "collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": [ "cpe:/a:redhat:quay:3.16::el9" ], "defaultStatus": "affected", "packageName": "quay/quay-rhel9", "product": "Red Hat Quay 3.16", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "1779204086", "versionType": "rpm" } ] }, { "collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": [ "cpe:/a:redhat:quay:3.9::el8" ], "defaultStatus": "affected", "packageName": "quay/quay-rhel8", "product": "Red Hat Quay 3.9", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "1775169218", "versionType": "rpm" } ] } ], "datePublic": "2026-03-23T05:00:13.312Z", "descriptions": [ { "lang": "en", "value": "A flaw was found in jsrsasign. An attacker can exploit a missing cryptographic step in the Digital Signature Algorithm (DSA) signing process, specifically within the KJUR.crypto.DSA.signWithMessageHash function. By manipulating the signature generation to force specific values, the library emits an invalid signature without retrying. This vulnerability allows an attacker to recover the private key used for signing." } ], "metrics": [ { "other": { "content": { "namespace": "https://access.redhat.com/security/updates/classification/", "value": "Important" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N", "version": "3.1" }, "format": "CVSS" } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-325", "description": "Missing Cryptographic Step", "lang": "en", "type": "CWE" } ] } ], "references": [ { "tags": [ "vdb-entry", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/security/cve/CVE-2026-4601" }, { "name": "RHBZ#2450209", "tags": [ "issue-tracking", "x_refsource_REDHAT" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2450209" }, { "tags": [ "x_sadp-csaf-vex" ], "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4601.json" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:19409" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:19410" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:6912" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:6720" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:6568" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:19375" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:6926" } ], "solutions": [ { "lang": "en", "value": "RHSA-2026:19409: Migration Toolkit for Virtualization 2.1" }, { "lang": "en", "value": "RHSA-2026:19410: Migration Toolkit for Virtualization 2.9" }, { "lang": "en", "value": "RHSA-2026:6912: Red Hat Quay 3.10" }, { "lang": "en", "value": "RHSA-2026:6720: Red Hat Quay 3.12" }, { "lang": "en", "value": "RHSA-2026:6568: Red Hat Quay 3.15" }, { "lang": "en", "value": "RHSA-2026:19375: Red Hat Quay 3.16" }, { "lang": "en", "value": "RHSA-2026:6926: Red Hat Quay 3.9" } ], "timeline": [ { "lang": "en", "time": "2026-03-23T06:01:44.014Z", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2026-03-23T05:00:13.312Z", "value": "Made public." } ], "title": "jsrsasign: jsrsasign: Private Key Recovery via Missing Cryptographic Step in DSA Signing", "workarounds": [ { "lang": "en", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability." } ], "x_adpType": "supplier", "x_generator": { "engine": "sadp-cli 1.0.0" }, "providerMetadata": { "orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "shortName": "redhat-SADP", "dateUpdated": "2026-07-15T00:51:45.380Z" } } ] } }