{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 6.10.3"
      },
      "package": {
        "ecosystem": "npm",
        "name": "ghost"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.0.0"
            },
            {
              "fixed": "6.11.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 5.130.5"
      },
      "package": {
        "ecosystem": "npm",
        "name": "ghost"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.105.0"
            },
            {
              "fixed": "5.130.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-22595"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-863"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-01-08T21:32:53Z",
    "nvd_published_at": null,
    "severity": "HIGH"
  },
  "details": "### Impact\nA vulnerability in Ghost\u0027s handling of Staff Token authentication allowed certain endpoints to be accessed that were only intended to be accessible via Staff Session authentication. External systems that have been authenticated via Staff Tokens for Admin/Owner-role users would have had access to these endpoints. \n\n### Vulnerable versions\nThis vulnerability is present in Ghost v5.121.0 to v5.130.5 to and Ghost v6.0.0 to v6.10.3.\n\n### Patches\nv5.130.6 and v6.11.0 contain a fix for this issue.\n\n### References\nGhost thanks Sho Odagiri of GMO Cybersecurity by Ierae, Inc. for discovering and disclosing this vulnerability responsibly.\n\n### For more information\nIf there are any questions or comments about this advisory, email Ghost at [security@ghost.org](mailto:security@ghost.org).",
  "id": "GHSA-9xg7-mwmp-xmjx",
  "modified": "2026-01-08T21:35:40Z",
  "published": "2026-01-08T21:32:53Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/TryGhost/Ghost/security/advisories/GHSA-9xg7-mwmp-xmjx"
    },
    {
      "type": "WEB",
      "url": "https://github.com/TryGhost/Ghost/commit/9513d2a35c21067127ce8192443d8919ddcefcc8"
    },
    {
      "type": "WEB",
      "url": "https://github.com/TryGhost/Ghost/commit/c3017f81a5387b253a7b8c1ba1959d430ee536a3"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/TryGhost/Ghost"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Ghost has Staff Token permission bypass"
}