Dashboard / CVE-2025-56218

CVE-2025-56218

CRITICAL 1 PoC
INFO Priority: 0.06 BB Relevance: 90/100
Published: 2025-10-17 Modified: 2026-11-05 First seen: 2026-11-05 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: High
I: High
A: High

Description

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

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
ascertia signinghub < 8.6.8

References & Advisories (1)

Proof of Concept (1)

—
https://github.com/saykino/CVE-2025-56218
nomi-sec

Bug Bounty Relevance

90 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction
✓ PoC available (1)

CVSS Score

9.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.63%
Raw Score 0.006320
Percentile 50.8%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00632
2026-11-12
0.00632
2026-11-10
0.00632
2026-11-09
0.00632
2026-11-08
0.00632
2026-11-07
0.00632
2026-11-06
0.00632
2026-11-05
0.00632

Intelligence Sources

nvd ref →

External Links