Ghost: Authorization Bypass in Comments Feature
What fixes it
- 6.44.1ghost, npmGitHub
npm install ghost@6.44.1
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Description
Impact
An input validation issue allowed members to access comments they were not authorized to access.
Vulnerable versions
This vulnerability is present in Ghost from v5.9.0 up to v6.44.1.
Patches
v6.44.1 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 Himanshu Anand (@anand_himanshu) for disclosing this vulnerability responsibly.
For more information
If you have any questions or comments about this advisory, email us at [security@ghost.org](mailto:security@ghost.org).
Text from GitHub Advisory Database
Affected versions 3
- ghost, npm>= 5.9.0, < 6.44.1GitHub
- Ghostaffected: >= 5.9.0, < 6.44.1CVE List
- ghost, npmfrom 5.9.0, fixed in 6.44.1OSV
References 6
- github.com/TryGhost/Ghost/commit/405c2623ff9060295d4a87d3a0eb4ef766c8d2d3Fixvia CVE List
- github.com/TryGhost/Ghost/releases/tag/v6.44.1Fixvia CVE List
- github.com/TryGhost/Ghost/security/advisories/GHSA-6q6j-f24j-p477Advisoryvia CVE List
- github.com/advisories/GHSA-6q6j-f24j-p477Advisoryvia GitHub
- nvd.nist.gov/vuln/detail/CVE-2026-105681Referencevia GitHub
- github.com/TryGhost/Ghost/pull/28297Referencevia CVE List