CVE-2026-32812: Server-Side Request Forgery (SSRF)

Admidio is an open-source user management solution. In versions 5.0.0 through 5.0.6, unrestricted URL fetch in the SSO Metadata API can result in SSRF and local file reads. The SSO Metadata fetch endpoint at modules/sso/fetchmetadata.php accepts an arbitrary URL via $GET'url', validates it only...