{"id":"CVE-2026-53944","revision":"0bb9693b943b45ca98aab75c4671f325","records":[{"revision":"0bb9693b943b45ca98aab75c4671f325","observedAt":"2026-10-25T13:17:22.268+00:00","statement":{"source":"nvd","id":"CVE-2026-53944","aliases":[],"title":"Ghost is a Node.js content management system. From 6.0.9 until 6.21.1, when making an external request, it is possible to bypass the IP filter that ensures the request isn't going to an internal service using an IPv6 literal which maps to a…","description":"Ghost is a Node.js content management system. From 6.0.9 until 6.21.1, when making an external request, it is possible to bypass the IP filter that ensures the request isn't going to an internal service using an IPv6 literal which maps to a private IPv4 address. This vulnerability is fixed in 6.21.1.","state":0,"publishedAt":"2026-06-24T19:17:11.957+00:00","modifiedAt":"2026-06-25T16:07:28.73+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","score":5.8,"severity":"MEDIUM"}],"references":["https://github.com/TryGhost/Ghost/security/advisories/GHSA-wvp2-4qqp-4h3r"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-53944","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-184","CWE-918"],"productCriteria":[],"sourceDates":{"published":"2026-06-24T19:17:11.957","lastModified":"2026-06-25T16:07:28.730"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-53944","identifiers":["CVE-2026-53944"]},"retained":false,"historicalAffected":[]}],"coverage":[]}