What is CVE-2026-41936?

CVE-2026-41936 is a high-severity vulnerability in Givanz Vvveb, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 8.1/10. Published 2026-05-06.

How severe is CVE-2026-41936?

High severity. CVSS v3 base score is 8.1 out of 10.

XXE in Givanz Vvveb

CVE-2026-41936

Vvveb before version 1.0.8.2 contains an XML external entity (XXE) injection vulnerability in the admin Tools/Import feature that allows authenticated site_admin users to read arbitrary files and modify database records. Attackers can expl…

Vulnerability class: XXE (XML External Entity)

EPSS: 0.000 (14.6th percentile) — read the EPSS interpretation.

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.

Affected products

Givanz Vvveb — versions 0

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

disclosure@vulncheck.com (release-notes)
disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-41936?: CVE-2026-41936 is a high-severity vulnerability in Givanz Vvveb, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 8.1/10. Published 2026-05-06.
How severe is CVE-2026-41936?: High severity. CVSS v3 base score is 8.1 out of 10.