Severity: moderate
Affected versions:
- Apache Syncope (org.apache.syncope:syncope-sra) 3.0.0-M0 through 3.0.16
- Apache Syncope (org.apache.syncope:syncope-sra) 4.0.0-M0 through 4.0.7
- Apache Syncope (org.apache.syncope:syncope-sra) 4.1.0-M0 through 4.1.2
Description:
URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Apache
Syncope.
When the Syncope SRA is configured for CAS authentication, the target Apereo
CAS instance's URL is calculated by unconditionally looking at client-supplied
forwarded HTTP headers.
This issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0
Through 4.0.7, from 4.1.0-M0 through 4.1.2.
Users are recommended to upgrade to version 4.0.8 / 4.1.3, which fix this issue.
Credit:
meifukun (finder)
References:
https://syncope.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-73191