Vulnerability · Published Apr 20, 2026 · Assigned by VulnCheck

CVE-2026-34428Vvveb < 1.0.8.1 SSRF via oEmbedProxy

High 7.7

In plain English

A high-severity server-side request forgery in Vvveb from givanz. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).

Severity (CVSS 3.1)7.7High

Exploit odds (30 days)0.3%top 82.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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. Authenticated backend users can supply file:// URLs to read arbitrary files readable by the web server process or http:// URLs targeting internal network addresses to probe internal services, with response bodies returned directly to the caller.

Affected products (as reported)

Vendor	Product	Versions
givanz	Vvveb	0 – before 1.0.8.1

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

References

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