{"cve":"CVE-2026-105648","nvd":{"published":"2026-10-05T20:17:13.420","modified":"2026-10-06T17:17:18.023","status":"Deferred","description":"Ghost is a Node.js content management system. From 6.0.9 until 6.65.0, 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 on some network configurations. A successful attack would not result in any response data being returned. This issue is fixed in version 6.65.0.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N","score":4.0},"cwes":["CWE-184","CWE-918"],"references":["https://github.com/TryGhost/Ghost/commit/20d3f792bf4a7c349ee56b746a067550d8684ff5","https://github.com/TryGhost/Ghost/pull/30917","https://github.com/TryGhost/Ghost/releases/tag/v6.65.0","https://github.com/TryGhost/Ghost/security/advisories/GHSA-r7f2-6fj8-6fg2"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:57:46.668721662+00:00"},"epss":{"cve":"CVE-2026-105648","score":0.00298,"percentile":0.2228,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-r7f2-6fj8-6fg2","url":"https://osv.dev/vulnerability/GHSA-r7f2-6fj8-6fg2","summary":"Ghost: Private IP Filtering Bypass via IPv6 Transition Addresses","modified":"2026-10-13T08:26:02.605700718Z","packages":[{"ecosystem":"npm","name":"ghost","purl":"pkg:npm/ghost","ranges":[">=6.0.9 <6.65.0"],"fixed":["6.65.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}