CVE-2026-8793 MEDIUM

CVE-2026-8793: PaperCut NG/MF: Insufficient brute-force protection

Vendor Papercut
Product PaperCut NG/MF
Weakness CWE-307 · Brute force
Published August 3, 2026
Last update August 3, 2026

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 3, 2026 CVE published
August 3, 2026 Record updated

Related vulnerabilities

04Related CVE