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TI-2026-41696 Aliases CVE-2026-57917GHSA-fqfw-hf3f-2q4c

Improper Restriction of XML External Entity Reference in proCertum SmartSign

Priority LOW 21CWE-611Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00182 7th percentileScored 2026-11-07
Fix Fixed proCertum SmartSign (Asseco): 9.4.3.90

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AssecoproCertum SmartSignbefore 9.4.3.909.4.3.90Patch availableCNA
  • proCertum SmartSign VendorAsseco Affected before 9.4.3.90 Fixed in 9.4.3.90 Patch available CNA

Remediation

  • Fix · CNA proCertum SmartSign (Asseco) Fixed in 9.4.3.90

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Asseco proCertum SmartSign 9.4.3.90

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-41695 Arbitrary Path Execution via CPS URI in proCertum SmartSignPriority LOW 20
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-57917
  2. 2026-10-03 Alias added: GHSA-fqfw-hf3f-2q4c

References

Advisory 1

Other 1

  • TI-2022-10314 The Reporting module in Aseco Lietuva document management system DVS Avilys before 3.5.58… CVSS 3.1HIGH 7.5
  • TI-2025-41095 Local File Inclusion in Contact Plan, E-Mail, SMS and Fax components in Asseco SEE Live… CVSS 3.1MEDIUM 6.5
  • TI-2025-07603 Recoverable passwords in Asseco Infomedica Plus CVSS 4.0MEDIUM 5.9
  • TI-2025-04109 Information disclosure via IDOR in Asseco AMDX CVSS 4.0MEDIUM 5.3
  • TI-2025-07602 Improper Access Control in Asseco Infomedica Plus CVSS 4.0MEDIUM 5.1
  • TI-2026-41695 Arbitrary Path Execution via CPS URI in proCertum SmartSign CVSS 4.0MEDIUM 4.6

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences