CVE-2026-57917

Summary

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) vulnerability is triggered simply by previewing a file in the file selection window, before the victim clicks “Open”.

This issue was fixed in version 9.4.3.90.

Affected Software

VendorProductVersion RangeStatus
AssecoproCertum SmartSign0 < 9.4.3.90affected

Weaknesses

  • CWE-611: CWE-611 Improper Restriction of XML External Entity Reference

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References