CVE-2026-105680 in Ghost
Summary
by MITRE • 10/06/2026
Ghost is a Node.js content management system. From 5.81.0 until 6.60.0, staff with the Author role could delete posts and pages that they did not author. This issue is fixed in version 6.60.0.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 10/06/2026
The vulnerability identified within Ghost content management systems between versions 5.81.0 and 6.60.0 represents a critical failure in role-based access control mechanisms, specifically affecting the authorization logic for staff users assigned to the Author role. In secure web application architectures, it is imperative that permissions are enforced not only at the user interface level but also strictly within the backend API endpoints to prevent privilege escalation or unauthorized data manipulation. The flaw allowed an authenticated user with the limited privileges of an Author to execute delete operations on posts and pages created by other users, including those authored by Editors or Administrators. This indicates a lack of proper ownership verification during the request processing phase, where the system failed to validate that the requesting entity possessed the requisite authority over the specific resource being targeted for deletion.
From a technical perspective, this issue aligns with CWE-284 Improper Access Control and falls under the MITRE ATT&CK technique T1078 Valid Accounts, as it involves an attacker leveraging legitimate credentials to perform actions outside their intended scope. The operational impact of such a vulnerability is severe for content-driven platforms that rely on Ghost for publishing workflows. Unauthorized deletion of content can lead to significant data loss, disruption of editorial pipelines, and potential integrity issues if critical articles or legal pages are removed without consent. Furthermore, this flaw undermines the trust model inherent in collaborative CMS environments where Authors typically contribute content but do not possess administrative powers over existing material created by peers or superiors. The ability to arbitrarily remove others' work can also be exploited for defacement purposes or to obscure malicious activities previously embedded within legitimate-looking posts.
The remediation strategy implemented in version 6.60.0 addresses this gap by enforcing strict ownership checks at the server side before processing any deletion requests. Developers must ensure that all API endpoints handling resource modification verify both the identity of the authenticated user and their specific relationship to the target resource, ensuring that only the creator or users with elevated privileges such as Editor or Administrator can alter content they did not create. For organizations still running affected versions, immediate upgrading is required to mitigate this risk. Additionally, implementing comprehensive audit logging for all delete operations can aid in forensic analysis should any unauthorized deletions occur prior to patching. Regular security reviews of role definitions and permission matrices are recommended to prevent similar authorization bypasses in future updates or custom integrations within the Ghost ecosystem.