What is GHSA-fcvm-3cpj-f9qx?

GHSA-fcvm-3cpj-f9qx is a security advisory published by GitHub Security Advisories with Medium severity. Default configurations of Apache Shiro have a session fixation vulnerability. This issue affects...

Which CVE IDs does GHSA-fcvm-3cpj-f9qx cover?

GHSA-fcvm-3cpj-f9qx covers the following CVE IDs: CVE-2026-43827. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-fcvm-3cpj-f9qx?

GHSA-fcvm-3cpj-f9qx has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-fcvm-3cpj-f9qxMediumCVSS 6.5

Default configurations of Apache Shiro have a session fixation vulnerability. This issue affects...

Vendor

GitHub Security Advisories

Published

May 26, 2026

Last Modified

May 28, 2026

🔗 CVE IDs covered (1)

CVE-2026-43827 →

📋 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 (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-43827
https://shiro.apache.org/security-reports.html#cve_2026_43827
http://www.openwall.com/lists/oss-security/2026/05/25/6
https://github.com/advisories/GHSA-fcvm-3cpj-f9qx