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CVE-2026-8793

Medium

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.

SeverityMedium
CVSS6.9
Exploit probability—
ProductPaperCut NG/MF
PublishedAug 3, 2026
First seenAug 3, 2026
Weakness typeCWE-307CWE-307

How to fix

Update
  • PaperCut PaperCut NG/MF26.0.3 or later

Affected products

ProductAffected versionsFixed in
PaperCut PaperCut NG/MFv < 26.0.326.0.3

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