{"cve":"CVE-2026-70593","nvd":{"published":"2026-08-04T22:17:17.290","modified":"2026-10-24T15:10:00.190","status":"Deferred","description":"Ghost is a Node.js content management system. From 0.10.0 until 6.54.1, a vulnerability in custom themes allowed a staff user to write files outside of the uploads directory. This could be used to alter the behavior of the installation through custom theme upload path traversal in LocalStorageBase and theme storage name handling. This issue is fixed in version 6.54.1.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:L","score":6.6},"cwes":["CWE-22"],"references":["https://github.com/TryGhost/Ghost/commit/fbaa92327e52607036a1e42204c9eadcc751d82c","https://github.com/TryGhost/Ghost/releases/tag/v6.54.1","https://github.com/TryGhost/Ghost/security/advisories/GHSA-cjc9-q5gf-327p"],"products":[],"source":"nvd","synced_at":"2026-10-24T16:53:34.184483516+00:00"},"epss":{"cve":"CVE-2026-70593","score":0.00412,"percentile":0.35222,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-cjc9-q5gf-327p","url":"https://osv.dev/vulnerability/GHSA-cjc9-q5gf-327p","summary":"Ghost: Theme Upload Path Traversal","modified":"2026-08-17T08:10:30.757417724Z","packages":[{"ecosystem":"npm","name":"ghost","purl":"pkg:npm/ghost","ranges":[">=0.10.0 <6.54.1"],"fixed":["6.54.1"]}]}],"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."]}