What is CVE-2026-34428?

CVE-2026-34428 is a high-severity vulnerability in Givanz Vvveb, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.7/10. Published 2026-04-20.

How severe is CVE-2026-34428?

High severity. CVSS v3 base score is 7.7 out of 10.

SSRF in Givanz Vvveb

CVE-2026-34428

Vvveb prior to 1.0.8.1 contains a server-side request forgery vulnerability in the oEmbedProxy action of the editor/editor module where the url parameter is passed directly to getUrl() via curl without scheme or destination validation. Aut…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.000 (10.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.

Affected products

Givanz Vvveb — versions 0, 2d356844f37819bf771e7cd5e12a8686975e0b2b

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

github.com/givanz/Vvveb/releases/tag/1.0.8.1 (release-notes)
github.com/givanz/Vvveb/commit/2d356844f37819bf771e7cd5e12a8686975e0b2b (patch)
www.vulncheck.com/advisories/vvveb-ssrf-via-oembedproxy (third-party-advisory)

Frequently asked questions

What is CVE-2026-34428?: CVE-2026-34428 is a high-severity vulnerability in Givanz Vvveb, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.7/10. Published 2026-04-20.
How severe is CVE-2026-34428?: High severity. CVSS v3 base score is 7.7 out of 10.