{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-53943/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-24T18:48:56.416Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-53943","@id":"https://www.cve.org/CVERecord?id=CVE-2026-53943","description":"Ghost is a Node.js content management system. From  until 6.37.0, when Ghost is behind a shared caching layer that results in cached content being shared between different visitors, an unauthenticated user could send an x-ghost-preview header that altered the rendered frontend response. In affected cache configurations, that response could be stored and served to subsequent visitors requesting the same page, allowing cache poisoning of request-specific preview output. When running Ghost's fronte"},"products":[{"@id":"cpe:2.3:a:tryghost:ghost:\\>\\=_4.0.0\\,_\\<_6.37.0:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:tryghost:ghost:\\>\\=_4.0.0\\,_\\<_6.37.0:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"No fixed version is published yet; monitor the upstream advisory.","timestamp":"2026-06-24T18:48:56.416Z"}]}