Description
An improper access control vulnerability exists in the web management interface of PaperCut MF and PaperCut NG. Under specific conditions, unauthenticated remote requests targeting administrative functions can trigger backend actions prior to the completion of access validation checks. This allows an unauthenticated remote attacker to modify certain system configurations.
Published: 2026-08-28
Score: 8.8 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 28 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Description An improper access control vulnerability exists in the web management interface of PaperCut MF and PaperCut NG. Under specific conditions, unauthenticated remote requests targeting administrative functions can trigger backend actions prior to the completion of access validation checks. This allows an unauthenticated remote attacker to modify certain system configurations.
Title PaperCut MF/NG: Authentication Bypass
Weaknesses CWE-305
References
Metrics cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: PaperCut

Published:

Updated: 2026-08-28T11:54:24.601Z

Reserved: 2026-08-27T07:34:07.363Z

Link: CVE-2026-81578

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-28T16:18:29.600

Modified: 2026-08-28T16:18:29.600

Link: CVE-2026-81578

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-28T17:00:13Z

Weaknesses
  • CWE-305

    Authentication Bypass by Primary Weakness