CVE-2025-56218

9.8 criticalEPSS 0.6%

Critical (9.8) in ascertia signinghub. EPSS 0.6% chance of exploitation in the next 30 days.

An arbitrary file upload vulnerability in SigningHub v8.6.8 allows attackers to execute arbitrary code via uploading a crafted PDF file.

Severity

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-31)
CWE: CWE-434
Published: 2025-10-17
Modified: 2026-07-05
Record from: the NVD, synced 2026-10-19