{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-9058", "assignerOrgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6", "state": "PUBLISHED", "assignerShortName": "CERT-PL", "dateReserved": "2026-05-20T06:36:10.929Z", "datePublished": "2026-05-25T13:23:09.157Z", "dateUpdated": "2026-07-23T12:00:31.927Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6", "shortName": "CERT-PL", "dateUpdated": "2026-07-23T12:00:31.927Z"}, "title": "Improper Certificate Verification in Szafir SDK", "datePublic": "2026-05-25T06:12:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-637", "description": "CWE-637 Unnecessary Complexity in Protection Mechanism (Not Using 'Economy of Mechanism')", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-393", "description": "CWE-393: Return of Wrong Status Code", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-295", "description": "CWE-295 Improper Certificate Validation", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-115", "descriptions": [{"lang": "en", "value": "CAPEC-115 Authentication Bypass"}]}], "affected": [{"vendor": "Krajowa Izba Rozliczeniowa", "product": "Szafir SDK", "versions": [{"status": "affected", "version": "0", "lessThan": "1.8.463.2", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "For untrusted certificates that contain the \"Authority Information Access - caIssuers URI\" extension, Szafir SDK will automatically download the parent CA certificate from the specified URL and will import it to its trust store as a \"nonqualified\" certificate. 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This flaw enables authentication bypass and user impersonation:\n(1) in use-cases other than qualified certificate authentication, or\n(2) if the qualified certificate authentication use-case is not correctly implemented by the integrating application.\n\nThis issue was fixed in version 1.8.463.2.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<span>For untrusted certificates that contain the \"Authority Information Access - caIssuers URI\" extension, Szafir SDK will automatically download the parent CA certificate from the specified URL and will import it to its trust store as a \"nonqualified\" certificate. 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