PaperCut NG/MF does not properly restrict excessive authentication attempts within its login component. An unauthenticated remote attacker can exploit this vulnerability to perform unrestricted brute-force or credential-stuffing attacks without triggering account lockout or rate-limiting mechanisms in some configurations.

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Solution

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Workaround

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History

Mon, 03 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Mon, 03 Aug 2026 15:15:00 +0000

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

Mon, 03 Aug 2026 08:00:00 +0000

Type Values Removed Values Added
Description PaperCut NG/MF does not properly restrict excessive authentication attempts within its login component. An unauthenticated remote attacker can exploit this vulnerability to perform unrestricted brute-force or credential-stuffing attacks without triggering account lockout or rate-limiting mechanisms in some configurations.
Title PaperCut NG/MF: Insufficient brute-force protection
Weaknesses CWE-307
References
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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: PaperCut

Published:

Updated: 2026-08-03T14:32:59.274Z

Reserved: 2026-05-17T23:10:16.657Z

Link: CVE-2026-8793

cve-icon Vulnrichment

Updated: 2026-08-03T14:32:52.586Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-03T15:00:15Z

Weaknesses