CVE-2026-82077

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.

CVSS 4.0

7.3CVSS: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

EPSS

0.8% chance of exploitation in the next 30 days; higher than 57% of CVEs (scores of 2026-10-25)

CWEs

CWE-22, CWE-78

Published

2026-09-24

Modified

2026-10-13

Record from

the NVD, synced 2026-10-19

References

• https://www.papercut.com/kb/Main/security-bulletin-sep-2026/

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