CVE-2026-35037

Ech0 is an open-source, self-hosted publishing platform for personal idea sharing. Prior to 4.2.8, the GET /api/website/title endpoint accepts an arbitrary URL via the websiteurl query parameter and makes a server-side HTTP request to it without any validation of the target host or IP address. Th...

CVE-2026-35036: Server-Side Request Forgery (SSRF)

Ech0 is an open-source, self-hosted publishing platform for personal idea sharing. Prior to 4.2.8, Ech0 implements link preview editor fetches a page title through GET /api/website/title. That is legitimate product behavior, but the implementation is unsafe: the route is unauthenticated, accepts ...

CVE-2026-35037: Server-Side Request Forgery (SSRF)

Ech0 is an open-source, self-hosted publishing platform for personal idea sharing. Prior to 4.2.8, the GET /api/website/title endpoint accepts an arbitrary URL via the websiteurl query parameter and makes a server-side HTTP request to it without any validation of the target host or IP address. Th...