GHSA-9xg7-mwmp-xmjx

Source

https://github.com/advisories/GHSA-9xg7-mwmp-xmjx

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/01/GHSA-9xg7-mwmp-xmjx/GHSA-9xg7-mwmp-xmjx.json

JSON Data

https://api.osv.dev/v1/vulns/GHSA-9xg7-mwmp-xmjx

Aliases

Published

2026-01-08T21:32:53Z

Modified

2026-02-03T03:16:07.289032Z

Severity

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

Summary

Ghost has Staff Token permission bypass

Details

Impact

A vulnerability in Ghost's handling of Staff Token authentication allowed certain endpoints to be accessed that were only intended to be accessible via Staff Session authentication. External systems that have been authenticated via Staff Tokens for Admin/Owner-role users would have had access to these endpoints.

Vulnerable versions

This vulnerability is present in Ghost v5.121.0 to v5.130.5 to and Ghost v6.0.0 to v6.10.3.

Patches

v5.130.6 and v6.11.0 contain a fix for this issue.

References

Ghost thanks Sho Odagiri of GMO Cybersecurity by Ierae, Inc. for discovering and disclosing this vulnerability responsibly.

For more information

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

Database specific

{
    "nvd_published_at": "2026-01-10T03:15:50Z",
    "cwe_ids": [
        "CWE-863"
    ],
    "github_reviewed_at": "2026-01-08T21:32:53Z",
    "severity": "HIGH",
    "github_reviewed": true
}

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

6.0.0

Fixed

6.11.0

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/01/GHSA-9xg7-mwmp-xmjx/GHSA-9xg7-mwmp-xmjx.json"

last_known_affected_version_range

"<= 6.10.3"