{"cve":"CVE-2026-53945","nvd":{"published":"2026-06-24T19:17:12.090","modified":"2026-10-25T22:10:00.150","status":"Deferred","description":"Ghost is a Node.js content management system. From 6.0.9 until 6.21.1, Ghost’s private-IP check for outbound HTTP requests could be bypassed via DNS rebinding, allowing an attacker to coerce the Ghost server into reaching hosts on internal networks through features that issue external fetches. This vulnerability is fixed in 6.21.1.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","score":4.0},"cwes":["CWE-367","CWE-918"],"references":["https://github.com/TryGhost/Ghost/security/advisories/GHSA-ch52-px8q-f22j"],"products":[],"source":"nvd","synced_at":"2026-10-25T23:44:33.281319194+00:00"},"epss":{"cve":"CVE-2026-53945","score":0.00214,"percentile":0.11652,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-ch52-px8q-f22j","url":"https://osv.dev/vulnerability/GHSA-ch52-px8q-f22j","summary":"Ghost: Server-side request forgery via DNS rebinding in external request handling","modified":"2026-08-04T21:30:19.786434635Z","packages":[{"ecosystem":"npm","name":"ghost","purl":"pkg:npm/ghost","ranges":[">=6.0.9 <6.21.2"],"fixed":["6.21.2"]}]}],"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."]}