Multiple Vulnerabilities in IBM Concert Software.

A successful CSRF attack against IBM Concert could allow an attacker to perform actions as a logged-in user without their knowledge or consent. This could include modifying configurations, creating or deleting resources, or accessing sensitive data. The impact is directly tied to the privileges of the user being impersonated; an administrator account compromise would grant the attacker broad control over the Concert system. While CSRF typically requires social engineering to trick a user into clicking a malicious link, automated attacks are also possible, particularly if the application lacks proper CSRF protection mechanisms.

Organizations utilizing IBM Concert for Z hub deployments, particularly those running versions 1.0.0 through 2.1.0, are at risk. Environments with shared user accounts or those lacking robust access controls are especially vulnerable.

1. 2026-02-17Disclosure

   disclosure

1. Reserviert2025-04-15
2. Veröffentlicht2026-02-17
3. Geändert2026-03-06
4. EPSS aktualisiert2026-03-23

The primary mitigation for CVE-2025-36018 is to upgrade to a patched version of IBM Concert as soon as it becomes available. Until then, implement defensive measures such as implementing strict input validation and output encoding to prevent malicious data from being processed. A Web Application Firewall (WAF) can be configured with rules to detect and block suspicious requests based on origin headers or other patterns indicative of CSRF attacks. Consider implementing SameSite cookies to further mitigate the risk.