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CVE-2026-82077

PaperCut NG/MF: Remote Code Execution via Scan2Fax

HIGH
7.3
CVSS Score
Published: September 24, 2026 at 06:43 AM UTC
Updated: October 13, 2026 at 04:17 AM UTC
1 product affected across 1 vendorPapercut Ng

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Severity
HIGH7.3
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

Description

An improper limitation of a pathname to a restricted directory (path traversal) vulnerability in the Scan-to-Fax component of PaperCut NG and PaperCut MF allows an authenticated administrator to execute arbitrary commands on the underlying host via crafted fax provider settings.

Affected

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

Papercut Ng· Papercut
90%
025.0.026.0.0
Affected range stops below 25.0.13, so it looks safe — our inference, not a vendor statement
Affected range stops below 26.0.5, 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/security-bulletin-sep-2026/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

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

CVSS

7.3HIGHPaperCut
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-22CWE-78

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