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CVE WatchJul 5, 2026

CVE-2025-56218

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

CVSS

9.8

Critical

EPSS

0.6%

p44

KEV

—

Exploit Today

13

0-100

Published: Oct 17, 2025 · Last modified: Jul 5, 2026 · CWE-434

EPSS · 30d

0.6%EPSS · 30 days0.7%

2026-06-302026-07-17

Technical description

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

Official references

github.comhttps://github.com/saykino/CVE-2025-56218

Related CVEs

CVECVSSEPSSKEVRExploitTitleMod.

CVE-2026-562909.8 CRI

KEV—76Joomlack Page Builder Improper Access Control Vulnerability10d CVE-2026-489089.8 CRI

KEV—72JoomShaper SP Page Builder Unrestricted Upload of File with Dangerous Type Vulnerability10d CVE-2026-489399.8 CRI

KEV—71iCagenda Unrestricted Upload of File with Dangerous Type Vulnerability7d CVE-2026-562919.8 CRI

KEV—66Balbooa Forms Unrestricted Upload of File with Dangerous Type Vulnerability7d CVE-2023-388368.8 HIG

——30File Upload vulnerability in BoidCMS v.2.0.0 allows a remote attacker to execute arbitrary code by adding a GIF header to bypass MIME type checks.9d CVE-2023-464747.2 HIG

——29File Upload vulnerability PMB v.7.4.8 allows a remote attacker to execute arbitrary code and escalate privileges via a crafted PHP file uploaded to the start_import.php file.9d