Vulnerability Description
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.
Related Weaknesses (CWE)
References
- https://cert.pl/posts/2026/07/CVE-2026-57916
- https://pomoc.certum.pl/pl/oprogramowanie/procertum-smartsign/
FAQ
What is CVE-2026-57917?
CVE-2026-57917 is a documented vulnerability. 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...
How severe is CVE-2026-57917?
CVSS scoring is not yet available for CVE-2026-57917. Check NVD for updates.
Is there a patch for CVE-2026-57917?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.