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Description

EC-CUBE provided by EC-CUBE CO.,LTD. contains a multi-factor authentication (MFA) bypass vulnerability. An attacker who has obtained a valid administrator ID and password may be able to bypass two-factor authentication and gain unauthorized access to the administrative page.

PUBLISHED Reserved 2026-03-04 | Published 2026-03-05 | Updated 2026-03-06 | Assigner jpcert




MEDIUM: 4.9CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Problem types

Authentication Bypass Using an Alternate Path or Channel

Product status

prior to 4.1.2-p5
affected

prior to 4.2.3-p2
affected

prior to 4.3.1-p1
affected

References

www.ec-cube.net/info/weakness/20260209/index.php

jvn.jp/en/jp/JVN63765888/

cve.org (CVE-2026-30777)

nvd.nist.gov (CVE-2026-30777)

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