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

CVE-2026-8793

PaperCut NG/MF: Insufficient brute-force protection PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
PaperCut / PaperCut NG/MF	affected 0 before 26.0.3

CWE

CWE-307

References

https://www.papercut.com/kb/Main/papercut-ng-mf-security-bulletin-3-aug-2026/

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.