SB2026010908 - Multiple vulnerabilities in Ghost
Published: January 9, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) SQL injection (CVE-ID: CVE-2026-22596)
The vulnerability allows a remote user to execute arbitrary SQL queries in database.
The vulnerability exists due to insufficient sanitization of user-supplied data in the /ghost/api/admin/members/events endpoint. A remote administrator can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.
Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.
2) Incorrect authorization (CVE-ID: CVE-2026-22595)
The vulnerability allows a remote attacker to bypass authorization checks.
The vulnerability exists due to Staff Token authentication bypass. A remote user can gain access to the target application.
3) Improper Authentication (CVE-ID: CVE-2026-22594)
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error within 2FA mechanism. A remote user can skip email 2FA.
4) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2026-22597)
The disclosed vulnerability allows a remote user to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input within media inliner mechanism. A remote administrator can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.
Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.
Remediation
Install update from vendor's website.