CVE-2026-48589 PUBLISHED

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

Assigner: apache
Reserved: 22.05.2026 Published: 25.05.2026 Updated: 26.05.2026

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/S:N/AU:Y/R:A/V:D/U:Green
CVSS Score: 0

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	Active

CVSS 4.0

Product Status

Vendor	Apache Software Foundation
Product	Apache Shiro
Versions	Default: unaffected affected from 2.0.0-alpha-0 to 2.2.0 (incl.) affected from 3.0.0-alpha-0 to 3.0.0-alpha-1 (incl.)

Credits

Bartlomiej Dmitruk <bartek@striga.ai> finder
Lenny Primak <lenny@flowlogix.com> remediation developer

References

https://shiro.apache.org/security-reports.html#cve_2026_48589

Problem Types

CWE-601 URL Redirection to Untrusted Site ('Open Redirect') CWE