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.
No advisories yet.
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
Mon, 14 Sep 2026 21:00:00 +0000
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| First Time appeared |
Apache
Apache syncope |
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| Vendors & Products |
Apache
Apache syncope |
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| References |
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| Metrics |
cvssV3_1
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Mon, 14 Sep 2026 13:30:00 +0000
| Type | Values Removed | Values Added |
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| 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. | |
| Title | Apache Syncope: CAS service URL injection via Forwarded HTTP headers | |
| Weaknesses | CWE-601 | |
| References |
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Projects
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Status: PUBLISHED
Assigner: apache
Published:
Updated: 2026-09-14T19:32:54.329Z
Reserved: 2026-08-11T11:03:09.545Z
Link: CVE-2026-73191
Updated: 2026-09-14T18:09:00.348Z
Status : Deferred
Published: 2026-09-14T14:17:08.450
Modified: 2026-09-14T20:58:48.430
Link: CVE-2026-73191
No data.
OpenCVE Enrichment
Updated: 2026-09-15T14:00:11Z