Vulnerability Intelligence Report
PaperCut MF/NG: User permissions are not evaluated on report generation
CVE-2026-87739
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.
No Active Exploit Signals
CVSS Base Score
6.9
MEDIUM
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-639 ↗CWE-639 Authorization bypass through User-Controlled key
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| PaperCut | PaperCut NG/MF | 0 < 25.0.13 (affected), 26.0.0 < 26.0.5 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | PaperCut Software Pty Ltd · Vendor · Australia |
| Reserved | 2026-09-09T04:24:33 |
| Published | 2026-09-24T06:46:54 |
| Last Updated | 2026-09-24T12:42:19 |
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