{"id":"CVE-2026-70595","title":"Ghost is a Node.js content management system","summary":"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 serve…","severity":"medium","cvss":4,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N","cwe":["CWE-918"],"vendor":"ghost","product":"ghost","affected":["ghost >= 6.26.0, < 6.54.1"],"patched":["ghost 6.54.1"],"published":"2026-08-05","updated":"2026-09-08","sourceUpdated":"2026-09-08T20:51:43.490","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-70595","references":[{"url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-x5mm-wm4g-j5xv","label":"security-advisories@github.com"},{"url":"https://github.com/advisories/GHSA-x5mm-wm4g-j5xv"}],"tags":["nvd","ghsa","npm"],"epss":0.00176,"epssPercentile":0.07369,"aliases":["GHSA-x5mm-wm4g-j5xv"],"ecosystem":"npm","ingestedAt":"2026-08-05T14:48:44.246Z","slug":"CVE-2026-70595","body":"## Overview\n\nGhost 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-70595)\n\nAffected packages:\n\n- `ghost >= 6.26.0, < 6.54.1`\n\nPatched in:\n\n- `ghost 6.54.1`\n\nSource: https://github.com/advisories/GHSA-x5mm-wm4g-j5xv","depth":"sunlit","depthScore":22,"depthScoreParts":{"impact":22,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}