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.
CVE-2026-30777
This medium-severity CVE scores 6.5 under NVD CVSS v3. EPSS exploit-prediction score not yet available (the EPSS model rescores nightly; freshly-published CVEs typically appear within 48 hours). GitHub Security Advisory enrichment pending alignment with NVD CVSS.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.5
- EG Score
- 6.5(low)
- EG Risk
- 34(Track)EG Risk 34/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity65% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 26%
- KEV
- Not listed
Published
March 5, 2026
Last Modified
June 17, 2026
References (2)
- vultures@jpcerthttps://jvn.jp/en/jp/JVN63765888/
- vultures@jpcerthttps://www.ec-cube.net/info/weakness/20260209/index.php
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 2× in last 7d / 2× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-27 13:52 UTCEG score recompute
- 2026-07-27 13:52 UTCGHSA enrichment
Related CVEs(same CWE)
Same CWE
10 shownCWE-288
- CVE-2019-25763EG 9.8CRITICAL
- CVE-2022-25369EG 9.8EPSS p99CRITICAL
- CVE-2020-36724EG 9.8CRITICAL
- CVE-2020-36713EG 9.8CRITICAL
- CVE-2022-46732EG 9.8CRITICAL
- CVE-2022-27510EG 9.8CRITICAL
- CVE-2022-26870NVD 7.0EG 9.8CRITICAL
- CVE-2022-23767NVD 8.8EG 9.8CRITICAL
- CVE-2022-34372EG 9.8CRITICAL
- CVE-2022-35869EG 9.8EPSS p99CRITICAL
Frequently asked(5)
What is CVE-2026-30777?
When was CVE-2026-30777 disclosed?
Is CVE-2026-30777 actively exploited?
What is the CVSS score of CVE-2026-30777?
How do I remediate CVE-2026-30777?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-30777
Is Your Infrastructure Affected by CVE-2026-30777?
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