PT-2026-103818

Name of the Vulnerable Software and Affected Versions Ghost versions 2.21.0 through 6.55.0 Description A privilege escalation issue exists in the notifications system. This flaw allows users with low-privilege staff access to elevate their roles to higher-privilege staff levels due to a lack of...

CVE-2026-103286: Incorrect Privilege Assignment

Ghost versions from 2.21.0 before 6.56.0 contain a privilege escalation vulnerability in the notifications system that allows low-privilege staff users to escalate to higher-privilege staff roles. Attackers with low-privilege staff access can exploit the notifications system to gain elevated...

PT-2026-103804

Name of the Vulnerable Software and Affected Versions Ghost versions 2.10.0 through 6.62.0 Description A staff enumeration issue exists in the content API that allows unauthenticated attackers to leak user data. By observing discrepancies in API metadata responses, attackers can identify staff...

CVE-2026-103272: Observable Discrepancy

Ghost versions from 2.10.0 before 6.63.0 contain a staff enumeration vulnerability in the content API that allows unauthenticated attackers to leak user data. Attackers can observe discrepancies in API metadata responses to enumerate staff members and extract sensitive information without...

PT-2026-103815

Name of the Vulnerable Software and Affected Versions Ghost versions 6.20.0 through 6.57.0 Description Improper session management allows authenticated staff users to log in as any other staff user using only a password, which bypasses two-factor authentication. This enables attackers with valid...

CVE-2026-103273: Incorrect Authorization

Ghost versions 4.3.0 before 6.58.0 contain an authentication bypass vulnerability where lower-privilege staff users can use staff tokens to bypass post editing restrictions. Attackers with staff credentials can leverage tokens to edit posts beyond their assigned privilege level...

CVE-2026-103291: Server-Side Request Forgery (SSRF)

Ghost versions from 3.20.2 before 6.51.0 contain a server-side request forgery vulnerability in image dimension refetching that allows authenticated staff users to trigger outbound HTTP requests to arbitrary URLs. Attackers can point image cards at attacker-controlled hosts or internal network...

PT-2026-103814

Name of the Vulnerable Software and Affected Versions Ghost versions 0.5.0 through 6.22.9 Description A concurrency issue exists in the staff invitation acceptance mechanism. This race condition allows an attacker to create multiple user accounts using a single invitation token by submitting...

PT-2026-103822

Name of the Vulnerable Software and Affected Versions Ghost versions 6.14.0 through 6.26.x Description The ImageSize service contains a path traversal issue where insufficient input validation of user-supplied file paths allows authenticated staff users to access local files located outside the...

CVE-2026-103268: Missing Authorization

Ghost versions before 6.62.0 contain an authentication bypass vulnerability that allows suspended staff users to reactivate their accounts through self-service password reset. Attackers with suspended staff credentials can perform password reset operations to regain active account access and...

PT-2026-103801

Name of the Vulnerable Software and Affected Versions Ghost versions prior to 6.62.0 Description An authentication bypass allows suspended staff users to reactivate their accounts by using the self-service password reset feature. Attackers possessing credentials for suspended staff accounts can...

PT-2026-103800

Name of the Vulnerable Software and Affected Versions Ghost versions prior to 6.62.0 Description An authentication bypass exists during the staff invite acceptance process. This issue allows users to specify any email address when creating their account, enabling attackers to use leaked invite...

CVE-2026-103267: Reliance on Untrusted Inputs in a Security Decision

Ghost versions before 6.62.0 contain an authentication bypass vulnerability in staff invite acceptance that allows users to specify any email address when creating their account. Attackers can accept leaked invite tokens with attacker-controlled email addresses, or legitimate recipients can...

CVE-2026-103275: Observable Discrepancy

Ghost 5.42.2 before 6.58.0 contains an information disclosure vulnerability in the Admin API bulk post and page edit and delete endpoints, which accept filters on restricted fields such as authors.password, because of an incomplete fix for CVE-2026-70590. Staff-level attackers can infer other sta...

PT-2026-103823

Name of the Vulnerable Software and Affected Versions Ghost versions 3.20.2 through 6.50.9 Description An issue exists in image dimension refetching that allows authenticated staff users to perform Server-Side Request Forgery SSRF. SSRF is a flaw where an attacker can induce the server to make...

PT-2026-103805

Name of the Vulnerable Software and Affected Versions Ghost versions 4.3.0 through 6.57.0 Description An authentication bypass exists where staff users with lower privileges can utilize staff tokens to circumvent restrictions on editing posts. This allows individuals with staff credentials to...

CVE-2026-103290: Path Traversal: '.../...//'

Ghost versions 6.14.0 through versions prior to 6.27.0 contain a path traversal vulnerability in the ImageSize service. Insufficient input validation of user-supplied file paths may allow authenticated staff users to access local files outside the intended data storage directories on the server...

PT-2026-103807

Name of the Vulnerable Software and Affected Versions Ghost versions 5.42.2 through 6.57.0 Description An information disclosure issue exists in the Admin API bulk post and page edit and delete endpoints. These endpoints allow filters on restricted fields, such as authors.password, due to an...

PT-2026-103819

Name of the Vulnerable Software and Affected Versions Ghost versions 1.18.0 through 6.26.0 Description A server-side request forgery SSRF issue exists in the webhooks feature. This allows users with staff privileges to craft requests that enable the Ghost server to probe and access internal netwo...

French Tax Data Theft Using Stolen Staff Passwords Went Undetected for Seven Weeks

An attacker used stolen passwords of staff at France's tax administration to take tax data on hundreds of thousands of taxpayers and businesses in June and July. Neither the tax administration nor France's national cybersecurity agency saw the data leave. The attack was not sophisticated, the...