{"id":"CVE-2026-93570","title":"XML External Entity injection in Szafir and Szafir Weryfikująca","summary":"Szafir and Szafir Weryfikująca 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 …","severity":"high","cvss":8.2,"cvssVector":"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","cvssSource":"cna","cwe":["CWE-611"],"vendor":"Krajowa Izba Rozliczeniowa","product":"Szafir","affected":["Szafir <= 2.0.0","szafir_weryfikuj_ca <= 1.0"],"published":"2026-10-29","updated":"2026-10-29","sourceUpdated":"2026-10-29T15:07:48.053Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-93570","references":[{"url":"https://cert.pl/posts/2026/10/CVE-2026-93570"},{"url":"https://www.elektronicznypodpis.pl/"}],"tags":["cve.org"],"epss":0.00278,"epssPercentile":0.20316,"ingestedAt":"2026-11-01T20:00:16.949Z","slug":"CVE-2026-93570","body":"## Overview\n\nSzafir and Szafir Weryfikująca 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 read arbitrary files from the victim's filesystem.\n\n\nThis issue was fixed in Szafir version 2.0 build 708. Szafir Weryfikująca is no longer supported (End of Life) and has not been fixed.\n\n## Affected\n\n- `Szafir <= 2.0.0`\n- `szafir_weryfikuj_ca <= 1.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":45.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}