CVE-2026-82077
📛 CVE Title
PaperCut NG/MF: Remote Code Execution via Scan2Fax
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.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- PaperCut
- CVSS severity
- HIGH
- CVSS score
- 7.3 / 10
- CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P- Effective score
- 7.3 / 10 HIGH source: CNA overview
- CWE(s)
-
CWE-22,CWE-78 - Reserved
- 2026-08-28
- Published
- 2026-09-24 06:43 UTC
- Last updated
- 2026-09-24 12:45 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/82xxx/CVE-2026-82077.json
- Linked Threat
- CVE-2026-82077 — PaperCut NG/MF: Remote Code Execution via Scan2Fax
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2026-09-24 07:16:33 UTC
- NVD last modified
- 2026-09-25 04:17:47 UTC
- EPSS score
- 0.0074 (probability of exploitation in next 30 days)
- EPSS percentile
- 52.53% vs all CVEs — higher = more likely to be exploited, as of 2026-09-24
NVD / KEV / EPSS data refreshed 2026-09-25 04:35 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2026-85811 - Assigner
- PaperCut
- Published
- Sep 24, 2026, 6:43:35 AM
- Updated
- Sep 25, 2026, 3:55:17 AM
- EUVD base score (CVSS 4.0)
-
7.3 / 10
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P - EUVD-reported EPSS
- 0.7400
- Vendors
- PaperCut
- Products
-
PaperCut NG/MF (26.0.0 <26.0.5)PaperCut NG/MF (0 <25.0.13)
- Aliases
-
GHSA-6392-7mrr-8qfw
ENISA 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.
EUVD references (1)
Affected products (1)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| PaperCut | PaperCut NG/MF |
0 (affected),
26.0.0 (affected)
|
— |
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
Web references (0)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
No web references attached yet.
NVD-tagged references (1)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
- https://www.papercut.com/kb/Main/security-bulletin-sep-2026/ eb41dac7-0af8-4f84-9f6d-0272772514f4
Remediations (10)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:app.opencve.io
Apply the vendor‑released patch for the Scan‑to‑Fax component as detailed in the PaperCut security bulletin. Disable the Scan‑to‑Fax feature or remove and restrict fax provider settings until a fix can be applied.
2026-09-25 10:10 UTC -
web:cvefeed.io
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.
2026-09-25 10:10 UTC -
web:cvetodo.com
CVE-2026-82077 is a CVSS 7.3 OS Command Injection vulnerability in PaperCut NG MF. Includes technical details, affected versions, and mitigation steps.
2026-09-25 10:10 UTC -
web:msrc.microsoft.com
Security Update Guide - Microsoft Security Response Center
2026-09-25 10:10 UTC -
web:securityarsenal.com
Attackers are actively exploiting two new PaperCut flaws ( CVE - 2026 -81578, CVE - 2026 -82078) against U.S. and European schools to steal credentials and gain privileged access. Patch and hunt now.
2026-09-25 10:10 UTC -
web:vulmon.com
Authenticated Command Execution in PaperCut NG/MF Scan-to-Fax Component. An authenticated administrator can execute arbitrary commands on the host system…
2026-09-25 10:10 UTC -
web:vulners.com
CVE-2026-82077 🗓️ 23 Sep 2026 23:43:35 Reported by PaperCut Type cve 🔗 web.nvd.nist.gov 👁 17 Views
2026-09-25 10:10 UTC -
web:www.cvefind.com
Full details for CVE-2026-82077 : technical description, impact, CVSS/EPSS scores, linked CWE, CAPEC, affected CPEs, disclosure date, and mitigation options.
2026-09-25 10:10 UTC -
web:www.rapid7.com
CVE-2026-82077 : PaperCut PaperCut NG/MF: An improper limitation of a pathname to a restricted directory (path traversal) vulnerability in the Scan-to-Fax…. View severity, references, and remediation details from Rapid7.
2026-09-25 10:10 UTC -
web:www.strix.ai
How severe is CVE-2026-82077 ? CVE-2026-82077 has a CVSS score of 7.3/10 (HIGH severity). How do I fix CVE-2026-82077 ? Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
2026-09-25 10:10 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-82077.json.
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