{"id":"CVE-2026-105648","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-105648","generatedAt":"2026-10-28T02:24:49.300Z","title":"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.","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.","published":"2026-10-05T20:17:13.000Z","lastModified":"2026-10-06T17:17:18.000Z","status":"Deferred","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N"},"cwe":["CWE-184","CWE-918"],"affected":[],"epss":{"score":0.00298,"percentile":0.22295,"date":"2026-10-26","history":[{"date":"2026-10-06","score":0.00298,"percentile":0.20509}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.30%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-05T20:17:13.000Z","detail":{"score":"4.0","severity":"MEDIUM","publishedAt":"2026-10-05T20:17:13.420Z"},"summary":"New CVE, medium severity (CVSS 4.0)."}],"references":[{"url":"https://github.com/TryGhost/Ghost/commit/20d3f792bf4a7c349ee56b746a067550d8684ff5","source":"security-advisories@github.com"},{"url":"https://github.com/TryGhost/Ghost/pull/30917","source":"security-advisories@github.com"},{"url":"https://github.com/TryGhost/Ghost/releases/tag/v6.65.0","source":"security-advisories@github.com"},{"url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-r7f2-6fj8-6fg2","source":"security-advisories@github.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-105648","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}