CVE-2026-8793

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.

References

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