{"schema":"threatline.record/2","record":{"id":"CVE-2026-105647","aliases":["BIT-ghost-2026-105647","GHSA-322m-ff4g-9vx9"],"summary":"Ghost: Server-Side Request Forgery in Bookmark Fetching","details":"### Impact\n\nA validation issue allowed some functionality, such as Webmentions, to be abused by an unauthenticated user to make limited HTTP requests to hosts in the Ghost server's internal network. A successful attack would not result in any response data being returned.\n\n### Vulnerable versions\n\nThis vulnerability is present in Ghost from v6.54.1 up to v6.64.0.\n\n### Patches\n\nv6.65.0 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 [Nhat Anh Vu](https://github.com/nhattanhh) for disclosing this vulnerability responsibly.\n\n### For more information\n\nIf you have any questions or comments about this advisory, email us at [security@ghost.org](mailto:security@ghost.org).","categories":["Applications & CMS"],"product":"ghost","vendor":"TryGhost","ecosystem":"npm","affected_ranges":[{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-322m-ff4g-9vx9","source_modified_at":"2026-10-07T20:35:34Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"npm","name":"ghost"},"range":">= 6.54.1, < 6.65.0"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-105647","source_modified_at":"2026-10-05T19:52:13.593Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Ghost","vendor":"TryGhost","versions":[{"version":">= 6.54.1, < 6.65.0","status":"affected"}],"defaultStatus":null},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-322m-ff4g-9vx9","source_modified_at":"2026-10-13T08:26:12.801076344Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"npm","name":"ghost","purl":"pkg:npm/ghost"},"ranges":[{"events":[{"introduced":"6.54.1"},{"fixed":"6.65.0"}],"type":"SEMVER"}],"versions":[]}],"fixed_versions":[{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-322m-ff4g-9vx9","source_modified_at":"2026-10-07T20:35:34Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"npm","name":"ghost"},"version":"6.65.0"},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-322m-ff4g-9vx9","source_modified_at":"2026-10-13T08:26:12.801076344Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"npm","name":"ghost","purl":"pkg:npm/ghost"},"version":"6.65.0"}],"cvss":4,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.0023,"percentile":0.13055,"score_date":"2026-10-23"},"published_at":"2026-10-05T19:01:20.746Z","modified_at":"2026-10-13T08:26:12.801076344Z","provenance":[{"source":"GitHub Advisory Database","url":"https://github.com/advisories/GHSA-322m-ff4g-9vx9","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-07T20:35:34Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-105647","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-05T19:52:13.593Z"},{"source":"OSV","url":"https://osv.dev/vulnerability/GHSA-322m-ff4g-9vx9","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-13T08:26:12.801076344Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-105647","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["GitHub Advisory Database","CVE List","OSV","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-322m-ff4g-9vx9","tags":["x_refsource_CONFIRM"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105647","source":"GitHub Advisory Database"},{"source":"CVE List","url":"https://github.com/TryGhost/Ghost/pull/30918","tags":["x_refsource_MISC"]},{"source":"CVE List","url":"https://github.com/TryGhost/Ghost/commit/3f8594eb53de883ac017545c358f59039cb152de","tags":["x_refsource_MISC"]},{"source":"CVE List","url":"https://github.com/TryGhost/Ghost/releases/tag/v6.65.0","tags":["x_refsource_MISC"]},{"url":"https://github.com/advisories/GHSA-322m-ff4g-9vx9","source":"GitHub Advisory Database"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-05T19:52:08.241024Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-13T08:26:12.801076344Z","content_hash":"22a4a48bfc2b721037d1622ca1a9f74e101de77ea61e0c495d81cc020c4c4bae"}}