Open Redirect and SSRF Vulnerability in Apache Shiro by Apache
CVE-2026-44598

5.1MEDIUM

Key Information:

Vendor

Apache

Vendor
CVE Published:
25 May 2026

What is CVE-2026-44598?

An identified vulnerability in Apache Shiro allows a logged-in user to exploit the shiroSavedRequest cookie, which is not properly validated. This flaw facilitates unauthorized redirection to an arbitrary URL, potentially leading to Server-Side Request Forgery (SSRF). It is crucial for users utilizing the shiro-jakarta-ee integration module to upgrade to version 2.1.1 or 3.0.0-alpha-2 to ensure that the cookie is encrypted and the vulnerability is mitigated.

Affected Version(s)

Apache Shiro Jakarta EE module 2.0.0-alpha-0 <= 2.1.0

Apache Shiro Jakarta EE module 3.0.0-alpha-0 <= 3.0.0-alpha-1

References

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

James Love <jameslove2k22@gmail.com>
Lenny Primak <lenny@flowlogix.com>
.