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A security vulnerability has been identified in Apache Roller, a Java-based blog server, that could allow unauthorized access to affected blog sites. The vulnerability, tracked as CVE-2025-24859 (CVSSv4 10), concerns insufficient session expiration after a user’s password is changed.
Apache Roller is a full-featured, multi-user and group blogging platform known for powering both personal and enterprise blog sites. Its popularity across various user bases makes this vulnerability particularly concerning for administrators and content managers.
According to the advisory, “A session management vulnerability exists in Apache Roller before version 6.1.5 where active user sessions are not properly invalidated after password changes“. This means that if a user’s password is changed, either by themselves or an administrator, any existing sessions for that user remain active.
The implications of this vulnerability are significant. If an attacker were to compromise a user’s credentials, they could potentially maintain access to the application through the old session even after the password has been changed. This poses a serious security risk, as it undermines the protection that a password change is intended to provide.
The affected versions of Apache Roller include all versions from 1.0.0 up to and including 6.1.4.
The good news is that the vulnerability has been addressed in the latest release, Apache Roller 6.1.5. The fix involves implementing centralized session management, which ensures that all active sessions are properly invalidated when passwords are changed or users are disabled.
Users of Apache Roller are strongly advised to update to version 6.1.5 as soon as possible to mitigate this security risk.
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