{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "3.20.2"
              },
              {
                "fixed": "6.51.0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "996b30d335daf04fc3842f5797834bb01b7c0a5c"
            },
            {
              "fixed": "ea80639878c0be2f0dc58ec6900411f259db232c"
            }
          ],
          "repo": "https://github.com/tryghost/ghost",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-rrq6-9r3c-7w26"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-918"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103291.json"
  },
  "details": "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 image cards at attacker-controlled hosts or internal network endpoints to access metadata services and internal resources unavailable from the public internet.",
  "id": "CVE-2026-103291",
  "modified": "2026-10-03T03:30:37.727639092Z",
  "published": "2026-10-01T10:42:24.553Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103291.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/TryGhost/Ghost/security/advisories/GHSA-rrq6-9r3c-7w26"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-103291"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/ghost-3.20.2-before-6.51.0-ssrf-via-image-size-fetch"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Ghost 3.20.2 before 6.51.0 SSRF via image-size fetch"
}