GitHub Advisoryadvisory · npm

GHSA-788w-68h3-cvxp Ghost: Remote Code Execution via Bookmark Card Images

HIGH Published 2026-10-07 Modified 2026-10-07 Official page ↗
Aliases
CVE-2026-105642
Ecosystem
npm
Packages
ghost
Severity
High
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses
CWE-1395, CWE-94
Reviewed
2026-10-07

Affected packages

• npm ghost: >= 6.56.0, < 6.67.0 → fixed in 6.67.0

Description

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 [email protected].

Related

Alias · CVE (1)

  • CVE-2026-105642 Ghost is a Node.js content management system. vulnerability

Weakness · CWE (2)

  • CWE-1395 Dependency on Vulnerable Third-Party Component weakness
  • CWE-94 Improper Control of Generation of Code weakness

References