Security Advisory

CVE-2026-56091

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-25 08:45:19

Last updated 2026-06-25 12:10:34

Assigner apache

CVSS score 8.2

State PUBLISHED

Description

When using Apache Shiro with the shiro-guice module in a web servlet context, a specially crafted HTTP request may cause an authentication bypass. This vulnerability is similar to https://www.cve.org/CVERecord?id=CVE-2020-1957 https://www.cve.org/CVERecord , except that it affects the `shiro-guice` module instead of the `shiro-spring` module. This issue affects all Apache Shiro versions through 2.x, and 3.0.0-alpha-1 only when using `shiro-guice` module in a web servlet context. Upgrade to version 3.0.0 or later, which fixes the issue.

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