GHSA-354h-gmhv-mr9c

Source

https://github.com/advisories/GHSA-354h-gmhv-mr9c

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/10/GHSA-354h-gmhv-mr9c/GHSA-354h-gmhv-mr9c.json

JSON Data

https://api.osv.dev/v1/vulns/GHSA-354h-gmhv-mr9c

Aliases

Published

2026-10-07T16:17:57Z

Modified

2026-10-07T16:30:05Z

Severity

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

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.

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"
}

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

1.18.0

Fixed

6.27.0

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/10/GHSA-354h-gmhv-mr9c/GHSA-354h-gmhv-mr9c.json"