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Medium · 6.9 Public exploit CVE-2026-8793 EUVD-2026-52224GHSA-845j-gc55-fc8w

PaperCut NG/MF: Insufficient brute-force protection

Published Aug 3, 2026 · Updated Aug 3, 2026 · Assigned by PaperCut

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.

Affected products

VendorProductAffectedFixed
PaperCut PaperCut NG/MF < 26.0.3 26.0.3

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

  • H4zaz/CVE-2026-8793 ★ 0 · Aug 15, 2026

    Responsible disclosure write-ups for CVE-2026-8793 - PaperCut NG 25.0.11

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

References