GitHub Advisoryadvisory · Maven
GHSA-qj64-jj84-w38j Apache Shiro shiro-guice module vulnerable to authentication bypass
HIGH
Official page ↗
- Aliases
- CVE-2026-56091
- Ecosystem
- Maven
- Packages
- org.apache.shiro:shiro-guice
- Severity
- High
- CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/S:P/AU:Y/V:D/RE:L/U:Amber
- Weaknesses
- CWE-289
- Reviewed
- 2026-11-03
Affected packages
• Maven org.apache.shiro:shiro-guice: >= 2.0.0, < 3.0.0 → fixed in 3.0.0
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, 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.
Related
Alias · CVE (1)
- CVE-2026-56091 When using Apache Shiro with the shiro-guice module in a web servlet context, a specially crafted HTTP request may cause an authentication… vulnerability
Weakness · CWE (1)
- CWE-289 Authentication Bypass by Alternate Name weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-56091 advisory
- https://github.com/github/advisory-database/pull/10078 web
- https://github.com/apache/shiro/commit/42aa34467ad30f085fc8e003042db0c397fe8d57 web
- https://github.com/apache/shiro package
- https://lists.apache.org/thread/onmtxmy2qonbpx7xlw3o34x8sctv47r7 web