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.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Apache Software Foundation | Apache Shiro | unaffected |
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Mon, 25 May 2026 20:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Apache Shiro: Session fixation: new session is not created after login by default | |
| Weaknesses | CWE-384 | |
| References |
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| Metrics |
cvssV4_0
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Projects
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MITRE
Status: PUBLISHED
Assigner: apache
Published:
Updated: 2026-05-25T20:19:03.428Z
Reserved: 2026-05-02T22:26:19.626Z
Link: CVE-2026-43827
Vulnrichment
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NVD
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Redhat
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OpenCVE Enrichment
Updated: 2026-05-25T21:30:06Z