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Vulnerabilities CVE-2026-57917

CVE-2026-57917

Medium
Open
TLP:CLEAR

Improper Restriction of XML External Entity Reference in proCertum SmartSign

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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.

Details

CVSS Score
4.8
EPSS Score
0.14%

3.4th percentile

CVSS Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N
Confidence
90%
Published
Jul 27, 2026
Last Modified
Jul 27, 2026
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