PaperCut NG/MF: Remote Code Execution via Scan2Fax (CVE-2026-82077) | HOL Guard CVE

High · CVSS 7.3CVE-2026-82077

PaperCut NG/MF: Remote Code Execution via Scan2Fax

Answer in brief

CVE-2026-82077 records a High severity (CVSS 7.3) vulnerability in PaperCut NG/MF: Remote Code Execution via Scan2Fax. The current sources do not mark it as known exploited. The current feed maps PaperCut/PaperCut NG/MF (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 24, 2026Updated Sep 24, 2026Source checked Sep 24, 2026First seen by HOL Sep 24, 2026Material review Sep 24, 2026

Upstream Advisory

Key facts

Risk: High · CVSS 7.3
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

CVSS is 7.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps PaperCut/PaperCut NG/MF (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
PaperCut/PaperCut NG/MFgeneric	>=0 <25.0.13 \|\| >=26.0.0 <26.0.5	25.0.13, 26.0.5

Recommended response

Check inventory. Check lockfiles and deployed manifests for PaperCut/PaperCut NG/MF.
Review the reported fix. Update PaperCut/PaperCut NG/MF to 25.0.13 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Sep 24, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 24, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 24, 2026

Sources and claim methodology

Source referencepapercut.com

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.