CVE-2025-58053: Privilege Escalation in Galette

The impact of this vulnerability is significant, as it allows an attacker to bypass standard access controls and gain elevated privileges. An attacker could potentially modify user data, create new accounts with administrative rights, or even take complete control of the Galette application. This could compromise the confidentiality, integrity, and availability of sensitive membership data and disrupt the organization's operations. The ability to forge POST requests to update accounts represents a critical weakness in the application's authentication and authorization mechanisms.

1. Reserved2025-08-22
2. Published2025-12-19
3. EPSS updated2026-03-23

The primary mitigation for CVE-2025-58053 is to upgrade Galette to version 1.2.0 or later, which includes the necessary fix. If upgrading immediately is not feasible, consider implementing stricter input validation on account update forms to prevent the injection of malicious data. Additionally, review and restrict access permissions for user accounts to limit the potential damage from a successful exploit. Regularly monitor Galette logs for suspicious activity, particularly POST requests related to account updates.