{"id":"BIT-ghost-2026-70595","summary":"Ghost: Server-Side Request Forgery Mitigation Issue","details":"Ghost is a Node.js content management system. From 6.26.0 until 6.54.1, a validation issue allowed some functionality, such as Webmentions, to be abused by an unauthenticated user to make limited HTTP requests to hosts in the Ghost server's internal network. A successful attack would not result in any response data being returned. This vulnerability is fixed in 6.54.1.","aliases":["CVE-2026-70595","GHSA-x5mm-wm4g-j5xv"],"modified":"2026-08-17T08:10:51.017896279Z","published":"2026-08-17T05:41:05.967Z","database_specific":{"severity":"Medium","cpes":["cpe:2.3:a:ghost:ghost:*:*:*:*:*:node.js:*:*"]},"references":[{"type":"WEB","url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-x5mm-wm4g-j5xv"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-70595"}],"affected":[{"package":{"name":"ghost","ecosystem":"Bitnami","purl":"pkg:bitnami/ghost"},"ranges":[{"type":"SEMVER","events":[{"introduced":"6.26.0"},{"fixed":"6.54.1"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/ghost/BIT-ghost-2026-70595.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N"}]}],"schema_version":"1.9.0"}