GHSA-4pvx-fwjj-8gpc

Source

https://github.com/advisories/GHSA-4pvx-fwjj-8gpc

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/10/GHSA-4pvx-fwjj-8gpc/GHSA-4pvx-fwjj-8gpc.json

JSON Data

https://api.osv.dev/v1/vulns/GHSA-4pvx-fwjj-8gpc

Aliases

Published

2026-10-07T20:26:03Z

Modified

2026-10-07T20:30:04Z

Severity

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

Summary

Ghost: Editors Could Promote Staff Users to Their Own Role

Details

Impact

Staff users with the Editor or Super Editor role were able to assign their own role to Author and Contributor users, despite not having permission to assign that role.

Vulnerable versions

This vulnerability is present in Ghost from v0.5.0 up to v6.64.0.

Patches

v6.64.0 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 SecBuddyF of Tencent KeenLab, Santosh Kumar Puppala, Pedro Pinho, and Nhat Anh Vu 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-269",
        "CWE-863"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-10-07T20:26:03Z",
    "nvd_published_at": "2026-10-05T20:17:14Z",
    "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

0.5.0

Fixed

6.64.0

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/10/GHSA-4pvx-fwjj-8gpc/GHSA-4pvx-fwjj-8gpc.json"