CVE-2026-30777
EC-CUBE provided by EC-CUBE CO.,LTD. contains a multi-factor authentication (MFA) bypass vulnerability.
Does this matter?
Lower severity and a low EPSS score (0.35%). Track it; it rarely justifies an emergency change on its own.
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 4.0
- 6.9 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.35% probability · 29th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-288
- Affected
- ec-cube/ec-cube
- Source
- vultures@jpcert.or.jp
EPSS 0.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://jvn.jp/en/jp/JVN63765888/Third Party Advisory
- https://www.ec-cube.net/info/weakness/20260209/index.phpPatch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.