What is CVE-2026-111406?

CVE-2026-111406 is a critical-severity vulnerability in Pt Norther Lights Production Mapsvg, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.9/10. Published 2026-10-19.

How severe is CVE-2026-111406?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Arbitrary file upload in Pt Norther Lights Production Mapsvg

CVE-2026-111406

Unrestricted Upload of File with Dangerous Type vulnerability in PT Norther Lights Production MapSVG mapsvg-lite-interactive-vector-maps allows Upload a Web Shell to a Web Server.This issue affects MapSVG: from n/a through 8.16.1.

Vulnerability class: Unrestricted File Upload

Published 2026-10-19 · last modified 2026-10-19.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Pt Norther Lights Production Mapsvg

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

patchstack.com/database/wordpress/plugin/mapsvg-lite-interactive-vector-maps/vu… (vdb-entry)

Frequently asked questions

What is CVE-2026-111406?: CVE-2026-111406 is a critical-severity vulnerability in Pt Norther Lights Production Mapsvg, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.9/10. Published 2026-10-19.
How severe is CVE-2026-111406?: Critical severity. CVSS v3 base score is 9.9 out of 10.