GHSA-788w-68h3-cvxp

Source

https://github.com/advisories/GHSA-788w-68h3-cvxp

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/10/GHSA-788w-68h3-cvxp/GHSA-788w-68h3-cvxp.json

JSON Data

https://api.osv.dev/v1/vulns/GHSA-788w-68h3-cvxp

Aliases

CVE-2026-105642

Published

2026-10-07T20:43:08Z

Modified

2026-10-07T21:00:04Z

Severity

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

Summary

Ghost: Remote Code Execution via Bookmark Card Images

Details

Impact

An image processing library bundled with Ghost contained a vulnerability in its SVG handling. Any staff user, including Contributors, could create a bookmark card for an attacker-controlled website, resulting in arbitrary commands being run on the Ghost server.

Vulnerable versions

This vulnerability is present in Ghost from v6.56.0 up to v6.65.0.

Patches

v6.67.0 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

We thank Rafael B. 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-1395",
        "CWE-94"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-10-07T20:43:08Z",
    "nvd_published_at": "2026-10-05T19:17:18Z",
    "severity": "HIGH"
}

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

6.56.0

Fixed

6.67.0

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/10/GHSA-788w-68h3-cvxp/GHSA-788w-68h3-cvxp.json"