{"id":"CVE-2026-70593","revision":"a8f275a2a09e443c8f0073b5657f9dba","records":[{"revision":"a8f275a2a09e443c8f0073b5657f9dba","observedAt":"2026-10-25T15:18:57.446+00:00","statement":{"source":"nvd","id":"CVE-2026-70593","aliases":[],"title":"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 thro…","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.","state":0,"publishedAt":"2026-08-04T22:17:17.29+00:00","modifiedAt":"2026-10-24T15:10:00.19+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:L","score":6.6,"severity":"MEDIUM"}],"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"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-70593","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-22"],"productCriteria":[],"sourceDates":{"published":"2026-08-04T22:17:17.290","lastModified":"2026-10-24T15:10:00.190"},"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-2026-70593","identifiers":["CVE-2026-70593"]},"retained":false,"historicalAffected":[]}],"coverage":[]}