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CVE-2025-56219

HIGH
7.1
CVSS Score
Published: October 20, 2025 at 12:00 AM UTC
Updated: July 5, 2026 at 05:17 PM UTC
1 product affected across 1 vendorSigninghub

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Severity
HIGH7.1
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

Incorrect access control in SigningHub v8.6.8 allows attackers to arbitrarily add user accounts without any rate limiting. This can lead to a resource exhaustion and a Denial of Service (DoS) when an excessively large number of user accounts are created.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Signinghub· Ascertia
95%
v ≤ 8.6.8

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

Source: cverecord
http://ascertia.com
Source: cverecord
http://signinghub.com
Third Party Advisory
Source: cverecord
https://github.com/saykino/CVE-2025-56219

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-284

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