GitHub Advisoryadvisory · Maven

GHSA-fcvm-3cpj-f9qx Apache Shiro has a session fixation vulnerability

MEDIUM Published 2026-05-26 Modified 2026-06-30 Official page ↗
Aliases
CVE-2026-43827
Ecosystem
Maven
Packages
org.apache.shiro:shiro-core
Severity
Moderate
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N/RE:L/U:Amber
Weaknesses
CWE-384
Reviewed
2026-06-30

Affected packages

• Maven org.apache.shiro:shiro-core: >= 1.0.0-incubating, < 2.2.0 → fixed in 2.2.0 • Maven org.apache.shiro:shiro-core: >= 3.0.0-alpha-1, < 3.0.0-alpha-2 → fixed in 3.0.0-alpha-2

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.

Related

Alias · CVE (1)

  • CVE-2026-43827 Default configurations of Apache Shiro have a session fixation vulnerability. vulnerability

Weakness · CWE (1)

  • CWE-384 Session Fixation weakness

References