CVE-2026-57916
MEDIUM
4,6
Source: [email protected]
Attack Vector: local
Attack Complexity: low
Privileges Required: none
User Interaction: active
Confidentiality: N/A
Integrity: N/A
Availability: N/A
Description
AI Translation Available
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.
73
External Control of File Name or Path
DraftCommon Consequences
Security Scopes Affected:
Integrity
Confidentiality
Availability
Potential Impacts:
Read Files Or Directories
Modify Files Or Directories
Execute Unauthorized Code Or Commands
Dos: Crash, Exit, Or Restart
Dos: Resource Consumption (Other)
Applicable Platforms
Operating Systems:
Unix, Windows, macOS
https://cert.pl/posts/2026/07/CVE-2026-57916
https://pomoc.certum.pl/pl/oprogramowanie/procertum-smartsign/