{"id":"GHSA-cjc9-q5gf-327p","revision":"88bc287240964be3a3474431ce875d79","records":[{"revision":"88bc287240964be3a3474431ce875d79","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-cjc9-q5gf-327p","aliases":["BIT-ghost-2026-70593","CVE-2026-70593"],"title":"Ghost: Theme Upload Path Traversal","description":"### Impact\n\nA 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.\n\n### Vulnerable versions\n\nThis vulnerability is present in Ghost from v0.10.0 up to v6.54.0.\n\n### Patches\n\nv6.54.1 contains a fix for this issue.\n\n### How to update\n\nFor self-hosters using Docker, find [Docker's official Ghost image here](https://hub.docker.com/_/ghost). Updating a Docker-based Ghost instance [is documented here](https://docs.ghost.org/install/docker#updating-ghost). \n\nIf your Ghost is a Ghost-CLI install see our documentation on [updating it to the latest version here](https://docs.ghost.org/update). \n\n### References\n\nGhost thanks Stephen Sims, Off By One Security for disclosing this vulnerability responsibly.\n\n### For more information\n\nIf you have any questions or comments about this advisory, email Ghost at [security@ghost.org](mailto:security@ghost.org).","state":0,"publishedAt":"2026-08-04T21:49:56+00:00","modifiedAt":"2026-08-17T08:10:30.7574177+00:00","affected":[{"ecosystem":"npm","name":"ghost","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0.10.0"},{"kind":"fixed","version":"6.54.1"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:L","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"MODERATE"}],"references":["https://github.com/TryGhost/Ghost/security/advisories/GHSA-cjc9-q5gf-327p","https://github.com/TryGhost/Ghost/commit/fbaa92327e52607036a1e42204c9eadcc751d82c","https://github.com/TryGhost/Ghost","https://github.com/TryGhost/Ghost/releases/tag/v6.54.1"],"sourceUrl":"https://github.com/advisories/GHSA-cjc9-q5gf-327p","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-cjc9-q5gf-327p","identifiers":["GHSA-cjc9-q5gf-327p","BIT-ghost-2026-70593","CVE-2026-70593"]},"retained":false,"historicalAffected":[]}],"coverage":[]}