{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "postiz"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "2.0.12"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-1395",
      "CWE-918"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-27T15:46:53Z",
    "nvd_published_at": null,
    "severity": "HIGH"
  },
  "details": "### Impact\nA successful SSRF attack allows an attacker to:\n- Bypass firewalls to scan and interact with internal network services/ports.\n- Access sensitive cloud metadata services (e.g., AWS IMDS 169.254.169.254) to potentially leak instance credentials.\n- Pivot into the internal network environment where Postiz is hosted.\n\n### Workarounds\nThere are no workarounds known to this, please upgrade to Postiz version `v2.21.1`.",
  "id": "GHSA-vj2p-7pgw-g2wf",
  "modified": "2026-03-27T15:46:53Z",
  "published": "2026-03-27T15:46:53Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/gitroomhq/postiz-app/security/advisories/GHSA-vj2p-7pgw-g2wf"
    },
    {
      "type": "WEB",
      "url": "https://github.com/vercel/next.js/security/advisories/GHSA-fr5h-rqp8-mj6g"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-34351"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/gitroomhq/postiz-app"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Postiz App has a High-Severity SSRF Vulnerability via Next.js"
}