Ghost: Path Traversal Vulnerability in Ghost ImageSize Service

{
  "id": "46031879e872b2ea42fca8debd1eb71a848f664aec893cd52ed478b59f5dbdf8",
  "url": "https://osv.dev/vulnerability/BIT-ghost-2026-105683",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Ghost: Path Traversal Vulnerability in Ghost ImageSize Service",
    "summary": "Ghost is a Node.js content management system. From 6.14.0 until 6.27.0, an input validation issue may have allowed staff users to access local files outside the intended data storage directories on the server. This issue is fixed in version 6.27.0.",
    "evidence": "osv:BIT-ghost-2026-105683",
    "products": [
      {
        "name": {
          "value": "ghost",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.27.0",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "low",
    "structured": {
      "id": "BIT-ghost-2026-105683",
      "aliases": [
        "BIT-ghost-2026-103290",
        "BIT-ghost-2026-105683",
        "CVE-2026-103290",
        "CVE-2026-105683",
        "GHSA-83rp-q473-j88c"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "SEMVER",
              "events": [
                {
                  "introduced": "6.14.0"
                },
                {
                  "fixed": "6.27.0"
                }
              ]
            }
          ],
          "package": {
            "name": "ghost",
            "purl": "pkg:bitnami/ghost",
            "ecosystem": "Bitnami"
          },
          "severity": [
            {
              "type": "CVSS_V3",
              "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:L"
            }
          ],
          "database_specific": {
            "source": "https://github.com/bitnami/vulndb/tree/main/data/ghost/BIT-ghost-2026-105683.json"
          }
        }
      ],
      "modified": "2026-10-13T08:25:41.547726878Z",
      "provider": "osv",
      "references": [
        "https://github.com/TryGhost/Ghost/commit/770d438fd9d352bbfccbe81dd890580a1d3fd6f0",
        "https://github.com/TryGhost/Ghost/pull/27217",
        "https://github.com/TryGhost/Ghost/releases/tag/v6.27.0",
        "https://github.com/TryGhost/Ghost/security/advisories/GHSA-83rp-q473-j88c",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-105683"
      ],
      "provider_metadata": {
        "cpes": [
          "cpe:2.3:a:ghost:ghost:*:*:*:*:*:node.js:*:*"
        ],
        "severity": "Low"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-103290",
        "evidence": "/aliases"
      },
      {
        "value": "CVE-2026-105683",
        "evidence": "/aliases"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/database_specific/severity"
  },
  "source_id": "core-osv",
  "document_id": 307480,
  "published_at": "2026-10-13T06:50:37.309+00:00"
}