XXE in Asseco Procertum Smartsign

CVE-2026-57917

proCertum SmartSign parses external XML entities from arbitrary crafted signature files, enabling SSRF and potentially allowing the reading of local files, depending on the parser's configuration. The XML External Entity (XXE) vulnerabilit…

Vulnerability class: XXE (XML External Entity)

Affected products

Weakness classification (CWE)

References