CVE-2026-30777 — MEDIUM (6.5)

Q: How severe is CVE-2026-30777?

CVE-2026-30777 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-30777?

Check the references section above for vendor advisories and patch information. Affected products include: Ec-Cube Ec-Cube.

Vulnerability 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.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Ec-Cube	Ec-Cube	>= 4.1.0, < 4.1.2

Related Weaknesses (CWE)

CWE-288

References

https://jvn.jp/en/jp/JVN63765888/Third Party Advisory
https://www.ec-cube.net/info/weakness/20260209/index.phpPatchVendor Advisory

FAQ

What is CVE-2026-30777?

CVE-2026-30777 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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-fac...

How severe is CVE-2026-30777?

CVE-2026-30777 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-30777?

Check the references section above for vendor advisories and patch information. Affected products include: Ec-Cube Ec-Cube.