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CVE-2026-57917

MEDIUM
4.8
CVSS 4.0
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.

Metadata

CVE ID
CVE-2026-57917
State
PUBLISHED
Assigner
CERT-PL
Reserved
2026-06-26 10:47 UTC
Published
2026-07-27 10:29 UTC
Last updated
2026-07-27 14:41 UTC
Primary CWE
CWE-611
CWE-611 Improper Restriction of XML External Entity Referenc…
Vendor / Product
Asseco / proCertum SmartSign
Sources
cve.org  ·  NVD

Severity & Metrics

4.8 MEDIUM CVSS 4.0
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
SSVC — CISA Coordinator
Exploitation
none
Automatable
no
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
Asseco proCertum SmartSign — 0 < 9.4.3.90
Weakness (CWE)
CWESourceDescription
CWE-611 cna CWE-611 Improper Restriction of XML External Entity Reference
CVSS scores (1)
ScoreSeverityVersionSourceVector
4.8 MEDIUM 4.0 cna 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
References (2)
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