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CVE-2026-8793

PaperCut NG/MF: Insufficient brute-force protection

MEDIUM
6.9
CVSS Score
Published: August 3, 2026 at 06:58 AM UTC
Updated: October 23, 2026 at 10:10 PM UTC
1 product affected across 1 vendorPapercut Ng

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Severity
MEDIUM6.9
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Papercut Ng· Papercut
90%
0 ≤ v < 26.0.30
Affected range stops below 26.0.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

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

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.9MEDIUMPaperCut
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-307

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