CVE-2026-48589 Apache Shiro: Jakarta EE open redirect via untrusted Referer in post-login redirect flow

What is CVE-2026-48589?

CVE-2026-48589 is a vulnerability in Apache Shiro, published on 25 May 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Apache Shiro’s Jakarta EE module used the HTTP Referer header in certain cases to issue redirect after a user login. In affected versions, insufficient validation of this client-controlled value could allow an attacker to influence the redirect target in applications using the Jakarta EE module. This issue affects Apache Shiro from 2.0-alpha to 2.2.0, and 3.0.0-alpha-1, only when using shiro-jakarta-ee integration module.

Weakness: CWE-601

Which versions are affected by CVE-2026-48589?

4 open source packages ship an affected version, including org.apache.shiro:shiro-jakarta-ee. It affects 1 product.

Products include Apache Shiro.

How do I fix CVE-2026-48589?

Upgrade org.apache.shiro:shiro-jakarta-ee to a fixed version for your release line: 2.2.1 or 3.0.0-alpha-2.

Is CVE-2026-48589 being exploited?

There is no known exploitation of CVE-2026-48589 in the wild and no public exploit code.

Other vulnerabilities in Apache Shiro

• CVE-2023-34478 Path Traversal in Apache Shiro Critical 9.8
• CVE-2022-40664 Authentication Bypass Vulnerability in Shiro when forwarding or including via RequestDispatcher Critical 9.8
• CVE-2022-32532 Authentication Bypass Vulnerability Critical 9.8
• CVE-2021-41303 Apache Shiro vulnerable to a specially crafted HTTP request causing an authentication bypass Critical 9.8
• CVE-2020-17523 Authentication bypass in Apache Shiro Critical 9.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-7pq2-fhx9-x464, UBUNTU-CVE-2026-48589.