CVE-2026-87739 - Vulnerability Details - OpenCVE

An improper authentication vulnerability in PaperCut MF/NG allows an unauthenticated, remote attacker to trigger report generation. By submitting report generation requests without valid credentials, an attacker can generate reports and gain unauthorized access to sensitive information.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact partial

Vendors	Products
Papercut	Papercut Mf

No data.

No data.

References

Link	Providers
https://www.papercut.com/kb/Main/security-bulletin-sep-2026/

History

Thu, 24 Sep 2026 13:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Thu, 24 Sep 2026 09:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Papercut Papercut papercut Mf
Vendors & Products		Papercut Papercut papercut Mf

Thu, 24 Sep 2026 07:00:00 +0000

Type	Values Removed	Values Added
Description		An improper authentication vulnerability in PaperCut MF/NG allows an unauthenticated, remote attacker to trigger report generation. By submitting report generation requests without valid credentials, an attacker can generate reports and gain unauthorized access to sensitive information.
Title		PaperCut MF/NG: User permissions are not evaluated on report generation
Weaknesses		CWE-639
References		https://www.papercut.com/kb/Main/security-bulletin-sep-2026/
Metrics		cvssV4_0 `{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/AU:Y'}`

MITRE

Status: PUBLISHED

Assigner: PaperCut

Published: 2026-09-24T06:46:54.879Z

Updated: 2026-10-13T04:12:23.793Z

Reserved: 2026-09-09T04:24:33.190Z

Link: CVE-2026-87739

Vulnrichment

Updated: 2026-09-24T12:42:17.134Z

NVD

Status : Awaiting Analysis

Published: 2026-09-24T07:16:34.780

Modified: 2026-10-13T04:17:22.743

Link: CVE-2026-87739

Redhat

No data.

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