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CVE-2026-57916

MEDIUM
4.6
CVSS 4.0
Description
proCertum SmartSign opens Certificate Practice Statement (CPS) URI without schema validation. An attacker can prepare arbitrary certificate with CPS URI pointing to a local executable file or any URL, sign a document with it, and send it to the victim. When the victim opens the document in the application, the specified file will be executed (or webpage will be opened). This issue was fixed in version 9.4.3.90.

Metadata

CVE ID
CVE-2026-57916
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-73
CWE-73 External Control of File Name or Path
Vendor / Product
Asseco / proCertum SmartSign
Sources
cve.org  ·  NVD

Severity & Metrics

4.6 MEDIUM CVSS 4.0
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/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-73 cna CWE-73 External Control of File Name or Path
CVSS scores (1)
ScoreSeverityVersionSourceVector
4.6 MEDIUM 4.0 cna CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N
References (2)
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