What is CVE-2026-6418?

CVE-2026-6418 is a medium-severity vulnerability in Papercut Papercut_mf, classified under Absolute Path Traversal. CVSS score: 4.9/10. Published 2026-05-05.

How severe is CVE-2026-6418?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Path Traversal in Papercut Papercut_mf

CVE-2026-6418

An issue was discovered in the Shared Account Synchronization component of PaperCut MF (version 25.0.4). The application allows administrative users to configure a source path for account data synchronization. Due to a lack of proper pa…

EPSS: 0.000 (12.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

Affected products

Papercut Papercut_mf
Papercut Papercut_ng
Papercut Ng/mf — versions 0

Weakness classification (CWE)

CWE-36 — Absolute Path Traversal
CWE-552 — Files or Directories Accessible to External Parties

References

eb41dac7-0af8-4f84-9f6d-0272772514f4 (Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-6418?: CVE-2026-6418 is a medium-severity vulnerability in Papercut Papercut_mf, classified under Absolute Path Traversal. CVSS score: 4.9/10. Published 2026-05-05.
How severe is CVE-2026-6418?: Medium severity. CVSS v3 base score is 4.9 out of 10.