Vulnerability Description
With valid login credentials, URL Redirection to Untrusted Site ('Open Redirect'), Server-Side Request Forgery (SSRF) vulnerability in Apache Shiro. This issue affects Apache Shiro from 2.0-alpha to 2.1.0, and 3.0.0-alpha-1, only when using shiro-jakarta-ee integration module. Users are recommended to upgrade to version 2.1.1, or 3.0.0-alpha-2 or later, which fixes the issue by encrypting the cookie. After successful login, Jakarta EE integration module uses shiroSavedRequest cookie to redirect to a particular web page after login. This cookie was not validated, and can be forged to send a HTTP GET request from the server itself to an arbitrary URL from the cookie.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Shiro | >= 2.0.0, < 2.1.1 |
Related Weaknesses (CWE)
References
- https://shiro.apache.org/security-reports.html#cve_2026_44598Vendor Advisory
- http://www.openwall.com/lists/oss-security/2026/05/25/8Mailing ListThird Party Advisory
FAQ
What is CVE-2026-44598?
CVE-2026-44598 is a vulnerability with a CVSS score of 5.4 (MEDIUM). With valid login credentials, URL Redirection to Untrusted Site ('Open Redirect'), Server-Side Request Forgery (SSRF) vulnerability in Apache Shiro. This issue affects Apache Shiro from 2.0-alpha ...
How severe is CVE-2026-44598?
CVE-2026-44598 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-44598?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Shiro.