CVE-2026-105652: Ghost: Password Hash Ordering Disclosure in Ghost Admin API
Impact
Any staff-level user was able to determine the relative ordering of other staff users' hashed passwords. This does not directly disclose password hashes, and does not provide a practical path to recovering a password.
Vulnerable versions
This vulnerability is present in Ghost from v0.7.2 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 carfeii 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.
Other sources
Ghost is a Node.js content management system. From 0.7.2 until 6.64.0, any staff-level user was able to determine the relative ordering of other staff users' hashed passwords. This does not directly disclose password hashes, and does not provide a practical path to recovering a password. This issue is fixed in version 6.64.0.
— NVD
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
npm/ghostto a version that resolves this vulnerability.Fixed in 6.64.0 - Upgrade
Upgrade
Ghostto a version that resolves this vulnerability.Fixed in 6.64.0
Event History
Frequently Asked Questions
Who can exploit this issue?
An attacker must already have a staff-level Ghost account. The issue affects Ghost versions from 0.7.2 through 6.64.0.
What information can an affected user obtain?
A staff-level user can determine the relative ordering of other staff users' hashed passwords through the Ghost Admin API. The hashes themselves are not directly disclosed.
Does this provide a practical way to recover passwords?
No. The available information does not provide a practical path to recovering a password.
What version fixes the issue?
Upgrade Ghost to version 6.64.0, which fixes the issue.