Open redirect in Apache Shiro - CVE-2026-48589
Published: August 25, 2026
Vulnerability identifier: #VU145291
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-48589
CWE-ID: CWE-601
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to redirect users to an arbitrary site.
The vulnerability exists due to improper input validation in the post-login redirect flow of the shiro-jakarta-ee integration module when processing the HTTP Referer header. A remote attacker can supply a crafted Referer header to redirect users to an arbitrary site.
The issue occurs only in applications using the Jakarta EE integration module.
Affected software
Apache Shiro
How to mitigate CVE-2026-48589
Install security update from vendor's website.
Apache Shiro - update to 2.2.1