CVE-2026-42860 Open edx Enterprise Service: SSRF via SAML metadata URL in sync_provider_data endpoint

The Open edx Enterprise Service app provides enterprise features to the Open edX platform. From 7.0.2 to 7.0.4, the syncproviderdata endpoint in SAMLProviderDataViewSet fetches SAML metadata from a URL stored in SAMLProviderConfig.metadatasource. An authenticated user with the Enterprise Admin ro...