CVE-2026-70591

Description

Ghost is a Node.js content management system. From 0.10.0 until 6.54.1, a Server-Side Request Forgery in Ghost Admin image fetching allowed any staff-level user to perform a blind HTTP GET request against internal hosts. No output was returned, but this could have been used to probe open ports on internal hosts. This issue is fixed in version 6.54.1.

Overview

State: PUBLISHED
Assigner (CNA): GitHub_M
CVSS severity: MEDIUM
CVSS score: 4.1 / 10
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N
Effective score: 4.1 / 10 MEDIUM source: CNA overview
CWE(s): CWE-918
Reserved: 2026-08-04
Published: 2026-08-04 21:37 UTC
Last updated: 2026-08-04 21:37 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/70xxx/CVE-2026-70591.json

Affected products (1)

Vendor	Product	Versions	Platforms
TryGhost	Ghost	`>= 0.10.0, < 6.54.1` (affected)	—

Vendor references (3)

References embedded in the original CVE record by the assigning CNA.

https://github.com/TryGhost/Ghost/security/advisories/GHSA-gcvv-72q8-9v76 x_refsource_CONFIRM
https://github.com/TryGhost/Ghost/commit/5eff2de0f477b11c88f20bceb9d184c0d3b8a62e x_refsource_MISC
https://github.com/TryGhost/Ghost/releases/tag/v6.54.1 x_refsource_MISC

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-70591.json.

{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "Ghost",
          "vendor": "TryGhost",
          "versions": [
            {
              "status": "affected",
              "version": ">= 0.10.0, < 6.54.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Ghost is a Node.js content management system. From 0.10.0 until 6.54.1, a Server-Side Request Forgery in Ghost Admin image fetching allowed any staff-level user to perform a blind HTTP GET request against internal hosts. No output was returned, but this could have been used to probe open ports on internal hosts. This issue is fixed in version 6.54.1."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-918",
              "description": "CWE-918: Server-Side Request Forgery (SSRF)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-04T21:37:53.766Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/TryGhost/Ghost/security/advisories/GHSA-gcvv-72q8-9v76",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/TryGhost/Ghost/security/advisories/GHSA-gcvv-72q8-9v76"
        },
        {
          "name": "https://github.com/TryGhost/Ghost/commit/5eff2de0f477b11c88f20bceb9d184c0d3b8a62e",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/TryGhost/Ghost/commit/5eff2de0f477b11c88f20bceb9d184c0d3b8a62e"
        },
        {
          "name": "https://github.com/TryGhost/Ghost/releases/tag/v6.54.1",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/TryGhost/Ghost/releases/tag/v6.54.1"
        }
      ],
      "source": {
        "advisory": "GHSA-gcvv-72q8-9v76",
        "discovery": "UNKNOWN"
      },
      "title": "Ghost: Server-Side Request Forgery in Image Fetching"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-70591",
    "datePublished": "2026-08-04T21:37:53.766Z",
    "dateReserved": "2026-08-04T19:50:27.327Z",
    "dateUpdated": "2026-08-04T21:37:53.766Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}