GHSA-v6q3-xqxm-6f5v

Suggest an improvement
Source
https://github.com/advisories/GHSA-v6q3-xqxm-6f5v
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/10/GHSA-v6q3-xqxm-6f5v/GHSA-v6q3-xqxm-6f5v.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-v6q3-xqxm-6f5v
Aliases
Published
2026-10-07T20:26:19Z
Modified
2026-10-07T20:30:04Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
Ghost: Invite Token Disclosure in Ghost Admin API
Details

Impact

Staff users with permission to view staff invites were able to discover the secret token of pending invites, including invites for roles with higher privileges than their own. This could allow a staff user to escalate their privileges by accepting a pending invite.

Vulnerable versions

This vulnerability is present in Ghost from v4.39.0 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 CoryRoo, 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-203",
        "CWE-943"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-10-07T20:26:19Z",
    "nvd_published_at": "2026-10-05T20:17:14Z",
    "severity": "HIGH"
}
References

Affected packages

npm / ghost

Package

Affected ranges

Type
SEMVER
Events
Introduced
4.39.0
Fixed
6.64.0

Database specific

source
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/10/GHSA-v6q3-xqxm-6f5v/GHSA-v6q3-xqxm-6f5v.json"