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.
History

Sat, 29 Aug 2026 04:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: PaperCut

Published:

Updated: 2026-08-29T03:55:50.126Z

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

Link: CVE-2026-81578

cve-icon Vulnrichment

Updated: 2026-08-28T15:43:43.426Z

cve-icon NVD

Status : Received

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

Modified: 2026-08-29T04:18:08.000

Link: CVE-2026-81578

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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