What is CVE-2026-6180?

CVE-2026-6180 is a high-severity vulnerability in Papercut Papercut_mf, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2026-05-05.

How severe is CVE-2026-6180?

High severity. CVSS v3 base score is 8.1 out of 10.

Improper input validation in Papercut Papercut_mf

CVE-2026-6180

A race condition exists in PaperCut MF when processing badge-swipe data from certain HP multifunction devices. Under specific network conditions involving dropped packets and out-of-order sequence counters, the server may incorrectly proce…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.001 (28.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Papercut Papercut_mf
Papercut Papercut_ng
Papercut Ng/mf — versions 0

Weakness classification (CWE)

CWE-20 — Improper Input Validation
CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition

References

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

Frequently asked questions

What is CVE-2026-6180?: CVE-2026-6180 is a high-severity vulnerability in Papercut Papercut_mf, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2026-05-05.
How severe is CVE-2026-6180?: High severity. CVSS v3 base score is 8.1 out of 10.