{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-93570", "assignerOrgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6", "state": "PUBLISHED", "assignerShortName": "CERT-PL", "dateReserved": "2026-09-18T10:12:21.196Z", "datePublished": "2026-10-29T15:07:48.053Z", "dateUpdated": "2026-10-29T15:07:48.053Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6", "shortName": "CERT-PL", "dateUpdated": "2026-10-29T15:07:48.053Z"}, "title": "XML External Entity injection in Szafir and Szafir Weryfikuj\u0105ca", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-611", "description": "CWE-611 Improper restriction of XML external entity reference", "type": "CWE"}]}], "affected": [{"vendor": "Krajowa Izba Rozliczeniowa", "product": "Szafir", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "2.0.0", "changes": [{"at": "build 708", "status": "unaffected"}], "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "Krajowa Izba Rozliczeniowa", "product": "Szafir Weryfikuj\u0105ca", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "1.0", "versionType": "custom"}], "defaultStatus": "affected"}], "cpeApplicability": [{"operator": "OR", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:krajowa_izba_rozliczeniowa:szafir:*:*:*:*:*:*:*:*", "versionStartIncluding": "0", "versionEndIncluding": "2.0.0"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:krajowa_izba_rozliczeniowa:szafir_weryfikuj_ca:*:*:*:*:*:*:*:*", "versionStartIncluding": "0", "versionEndIncluding": "1.0"}]}]}], "descriptions": [{"lang": "en", "value": "Szafir and Szafir Weryfikuj\u0105ca are vulnerable to XML External Entity (XXE) injection. When a user signs or verify a crafted XML file containing a `DOCTYPE` with an external DTD reference, the parser processes external entities, allowing an attacker to\u00a0read arbitrary files from the victim's filesystem.\n\n\nThis issue was fixed in Szafir version\u00a02.0 build 708. Szafir Weryfikuj\u0105ca is no longer supported (End of Life) and has not been fixed.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Szafir and Szafir Weryfikuj\u0105ca are vulnerable to XML External Entity (XXE) injection. When a user signs or verify a crafted XML file containing a `DOCTYPE` with an external DTD reference, the parser processes external entities, allowing an attacker to&nbsp;<span>read arbitrary files from the victim's filesystem.</span><div><div><br></div><div>This issue was fixed in Szafir version&nbsp;2.0 build 708. Szafir Weryfikuj\u0105ca is no longer supported (End of Life) and has not been fixed.</div></div>"}]}], "references": [{"url": "https://cert.pl/posts/2026/10/CVE-2026-93570", "tags": ["third-party-advisory"]}, {"url": "https://www.elektronicznypodpis.pl/", "tags": ["product"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 8.2, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N"}}], "credits": [{"lang": "en", "value": "Mikus Teivens, Critical Security", "type": "finder"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.3"}}}}

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