GHSA-gcvv-72q8-9v76

Source

https://github.com/advisories/GHSA-gcvv-72q8-9v76

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/08/GHSA-gcvv-72q8-9v76/GHSA-gcvv-72q8-9v76.json

JSON Data

https://api.osv.dev/v1/vulns/GHSA-gcvv-72q8-9v76

Aliases

Published

2026-08-04T21:38:17Z

Modified

2026-08-17T08:11:01Z

Severity

4.1 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N CVSS Calculator

Summary

Ghost: Server-Side Request Forgery in Image Fetching

Details

Impact

A Server-Side Request Forgery (SSRF) in Ghost Admin 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.

Vulnerable versions

This vulnerability is present in Ghost from v0.10.0 up to v6.54.0.

Patches

v6.54.1 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 Younghun Ko, vx77, and Miguel Segovia Gil for disclosing this vulnerability responsibly.

For more information

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

Database specific

{
    "cwe_ids": [
        "CWE-918"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-08-04T21:38:17Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
}

References

Affected packages

npm / ghost

Package

Name: ghost; View open source insights on deps.dev
Purl: pkg:npm/ghost

Affected ranges

Type: SEMVER
Events: Introduced

0.10.0

Fixed

6.54.1

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/08/GHSA-gcvv-72q8-9v76/GHSA-gcvv-72q8-9v76.json"