CVE-2026-79990 GQL entry mutation `siteId` bypasses schema site scope, enabling cross-site content read/write/delete

Craft CMS GraphQL entry mutation resolvers saveEntry, deleteEntry read siteIddirectly from$argumentswithout passing throughArgumentManagerprepareArguments, which is the function that enforces site-scope filtering via arrayintersect against the GraphQL schema’s allowed sites. The query path...