Auth bypass in Givanz Vvveb

CVE-2026-46407

Vvveb is a powerful and easy to use CMS with page builder to build websites, blogs or ecommerce stores. Prior to 1.0.8.3, the backend admin/auth-token endpoint allows an authenticated administrator to load another administrator's REST API token list by supplying that user's admin_id. This can disclose sensitive API tokens belonging to other administrators. This vulnerability is fixed in 1.0.8.3.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.004 (30.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-46407: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-46407?
CVE-2026-46407 is a high-severity vulnerability in Givanz Vvveb, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.1/10. Published 2026-05-15.
How severe is CVE-2026-46407?
High severity. CVSS v3 base score is 8.1 out of 10.