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UNKNOWN Maven

Apache Shiro has a session fixation vulnerability

GHSA-fcvm-3cpj-f9qx · CVE-2026-43827

Published · Modified

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Description

Default configurations of Apache Shiro have a session fixation vulnerability.

This issue affects Apache Shiro from 1.0 to 2.1.0, and 3.0.0-alpha-1.

Users are recommended to upgrade to version 2.1.1, or 3.0.0-alpha-2 or later, which fixes the issue.

In the affected versions, when a session already exists, it is not invalidated upon successful login, nor is a new session being generated with a new ID.

References

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