{"id":"GHSA-gcvv-72q8-9v76","summary":"Ghost: Server-Side Request Forgery in Image Fetching","details":"### Impact\n\nA Server-Side Request Forgery (SSRF) in Ghost Admin allowed any staff-level user to perform a blind HTTP GET request against internal hosts. No output was returned, but this could have been used to probe open ports on internal hosts.\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 Younghun Ko, vx77, and Miguel Segovia Gil 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).","aliases":["BIT-ghost-2026-70591","CVE-2026-70591"],"modified":"2026-08-17T08:11:01.531490544Z","published":"2026-08-04T21:38:17Z","database_specific":{"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2026-08-04T21:38:17Z","nvd_published_at":null,"cwe_ids":["CWE-918"]},"references":[{"type":"WEB","url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-gcvv-72q8-9v76"},{"type":"WEB","url":"https://github.com/TryGhost/Ghost/commit/5eff2de0f477b11c88f20bceb9d184c0d3b8a62e"},{"type":"PACKAGE","url":"https://github.com/TryGhost/Ghost"},{"type":"WEB","url":"https://github.com/TryGhost/Ghost/releases/tag/v6.54.1"}],"affected":[{"package":{"name":"ghost","ecosystem":"npm","purl":"pkg:npm/ghost"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0.10.0"},{"fixed":"6.54.1"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/08/GHSA-gcvv-72q8-9v76/GHSA-gcvv-72q8-9v76.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N"}]}