GHSA-354H-GMHV-MR9C

Vulnerability from github – Published: 2026-10-07 16:17 – Updated: 2026-10-07 16:17
VLAI
Summary
Ghost: Server-Side Request Forgery in Webhook Trigger
Details

Impact

An SSRF vulnerability in the webhooks feature allowed staff users to probe internal hosts from the Ghost server.

Vulnerable versions

This vulnerability is present in Ghost from v1.18.0 up to v6.27.0.

Patches

v6.27.0 contains a fix for this issue.

How to update

For self-hosters using Docker, find Docker's official Ghost image here. Updating a Docker-based Ghost instance is documented here.

If your Ghost is a Ghost-CLI install see our documentation on updating it to the latest version here.

References

Ghost thanks 0xkakash1, rooks00, l3tchupkt, Wernerina, krn0@bugcrowdninja.com, and Mohamed Bassia for disclosing this vulnerability responsibly.

For more information

If you have any questions or comments about this advisory, email us at security@ghost.org.

Severity
2.7 (Low)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Show details on source website
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "ghost"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.18.0"
            },
            {
              "fixed": "6.27.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-105682"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-918"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-10-07T16:17:57Z",
    "nvd_published_at": "2026-10-05T20:17:16Z",
    "severity": "LOW"
  },
  "details": "### Impact\n\nAn SSRF vulnerability in the webhooks feature allowed staff users to probe internal hosts from the Ghost server.\n\n### Vulnerable versions\n\nThis vulnerability is present in Ghost from v1.18.0 up to v6.27.0.\n\n### Patches\n\nv6.27.0 contains a fix for this issue.\n\n### How to update\n\nFor self-hosters using Docker, find [Docker\u0027s official Ghost image here](https://hub.docker.com/_/ghost). Updating a Docker-based Ghost instance [is documented here](https://docs.ghost.org/install/docker#updating-ghost). \n\nIf your Ghost is a Ghost-CLI install see our documentation on [updating it to the latest version here](https://docs.ghost.org/update). \n\n### References\n\nGhost thanks [0xkakash1](https://github.com/0xkakash1), [rooks00](https://github.com/rooks00), [l3tchupkt](https://github.com/l3tchupkt), [Wernerina](https://github.com/Wernerina), krn0@bugcrowdninja.com, and [Mohamed Bassia](https://github.com/0xBassia) for disclosing this vulnerability responsibly.\n\n### For more information\n\nIf you have any questions or comments about this advisory, email us at [security@ghost.org](mailto:security@ghost.org).",
  "id": "GHSA-354h-gmhv-mr9c",
  "modified": "2026-10-07T16:17:57Z",
  "published": "2026-10-07T16:17:57Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/TryGhost/Ghost/security/advisories/GHSA-354h-gmhv-mr9c"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-105682"
    },
    {
      "type": "WEB",
      "url": "https://github.com/TryGhost/Ghost/issues/27219"
    },
    {
      "type": "WEB",
      "url": "https://github.com/TryGhost/Ghost/commit/815962dd2760e55c5dc8d0fb7fac732a7634566f"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/TryGhost/Ghost"
    },
    {
      "type": "WEB",
      "url": "https://github.com/TryGhost/Ghost/releases/tag/v6.27.0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Ghost: Server-Side Request Forgery in Webhook Trigger"
}



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