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CVE-2026-43827

6.5 MEDIUM

Default configurations of Apache Shiro have a session fixation vulnerability

Published: 2026-05-25 · Last updated: 2026-05-28

Severity and scoring

CVSS
6.5 MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CWE
CWE-384

Affected products

VendorProduct
apacheshiro

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.

Source: NVD

References

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