GHSA-83rp-q473-j88c

Suggest an improvement
Source
https://github.com/advisories/GHSA-83rp-q473-j88c
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/10/GHSA-83rp-q473-j88c/GHSA-83rp-q473-j88c.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-83rp-q473-j88c
Aliases
Published
2026-10-07T16:17:54Z
Modified
2026-10-09T12:10:33Z
Severity
  • 3.8 (Low) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:L CVSS Calculator
Summary
Ghost: Path Traversal Vulnerability in Ghost ImageSize Service
Details

Impact

An input validation issue may have allowed staff users to access local files outside the intended data storage directories on the server.

Vulnerable versions

This vulnerability is present in Ghost from v6.14.0 up to v6.27.0.

Patches

v6.27.0 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 l3tchupkt and krn0@bugcrowdninja.com 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-35"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-10-07T16:17:54Z",
    "nvd_published_at": "2026-10-05T20:17:17Z",
    "severity": "LOW"
}
References

Affected packages

npm / ghost

Package

Affected ranges

Type
SEMVER
Events
Introduced
6.14.0
Fixed
6.27.0

Database specific

source
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/10/GHSA-83rp-q473-j88c/GHSA-83rp-q473-j88c.json"