{"id":"CVE-2026-103291","title":"Ghost versions from 3.20.2 before 6.51.0 contain a server-side request forgery vulnerability in image dimension refetching that allows authenticated staff users to trigger outbound HTTP requests to arbitrary URLs","summary":"Ghost versions from 3.20.2 before 6.51.0 contain a server-side request forgery vulnerability in image dimension refetching that allows authenticated staff users to trigger outbound HTTP requests to arbitrary URLs. Attackers can point ima…","severity":"medium","cvss":6.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","cwe":["CWE-918"],"vendor":"TryGhost","product":"Ghost","affected":["Ghost >= 3.20.2 < 6.51.0"],"published":"2026-10-01","updated":"2026-10-01","sourceUpdated":"2026-10-01T11:17:25.680","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-103291","references":[{"url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-rrq6-9r3c-7w26","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/ghost-3.20.2-before-6.51.0-ssrf-via-image-size-fetch","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-01T11:42:53.815Z","slug":"CVE-2026-103291","body":"## Overview\n\nGhost versions from 3.20.2 before 6.51.0 contain a server-side request forgery vulnerability in image dimension refetching that allows authenticated staff users to trigger outbound HTTP requests to arbitrary URLs. Attackers can point image cards at attacker-controlled hosts or internal network endpoints to access metadata services and internal resources unavailable from the public internet.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":35,"depthScoreParts":{"impact":35.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}