CVE-2026-48589: Apache Shiro: Jakarta EE open redirect via untrusted Referer in post-login redirect flow
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-48589?
The severity of CVE-2026-48589 is rated as low, with a CVSS score of 4.0.
How do I fix CVE-2026-48589?
To fix CVE-2026-48589, ensure proper validation of the HTTP Referer header in your application's post-login redirect flow.
Who is affected by CVE-2026-48589?
CVE-2026-48589 affects applications using the Apache Shiro Jakarta EE module that do not adequately validate the HTTP Referer header.
What is the risk posed by CVE-2026-48589?
CVE-2026-48589 allows an attacker to influence the redirect target post-login, potentially leading to phishing attacks or unauthorized access.
When was CVE-2026-48589 published?
CVE-2026-48589 was published on May 25, 2026.