What is CVE-2026-33273?

CVE-2026-33273 is a high-severity vulnerability in Icz Matcha Invoice, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2026-04-08.

How severe is CVE-2026-33273?

High severity. CVSS v3 base score is 7.2 out of 10.

Arbitrary file upload in Icz Matcha Invoice

CVE-2026-33273

Unrestricted upload of file with dangerous type issue exists in MATCHA INVOICE 2.6.6 and earlier. If this vulnerability is exploited, an arbitrary file may be created by an administrator of the product. As a result, arbitrary code may be executed on the server.

Vulnerability class: Unrestricted File Upload

EPSS: 0.002 (13.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Icz Matcha_invoice
Icz Corporation Matcha Invoice — versions 2.6.6 and earlier

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

vultures@jpcert.or.jp (Vendor Advisory)
vultures@jpcert.or.jp (Third Party Advisory)

Frequently asked questions

What is CVE-2026-33273?: CVE-2026-33273 is a high-severity vulnerability in Icz Matcha Invoice, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2026-04-08.
How severe is CVE-2026-33273?: High severity. CVSS v3 base score is 7.2 out of 10.