{"id":"CVE-2026-70595","aliases":["BIT-ghost-2026-70595","GHSA-x5mm-wm4g-j5xv"],"url":"https://o3.security/vulnerability/CVE-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.","published":"2026-08-05T14:37:21.119Z","modified":"2026-09-10T03:30:49.843108747Z","cvss":{"score":4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N"},"epss":{"score":0.00176,"percentile":0.07394,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"ghost","fixedVersion":"6.54.1"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/70xxx/CVE-2026-70595.json"},{"type":"ADVISORY","url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-x5mm-wm4g-j5xv"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-70595"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-10T03:30:49.843108747Z"}}