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.
Analysis
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Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Apache Software Foundation | Apache Syncope | unaffected |
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Mon, 14 Sep 2026 13:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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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MITRE
Status: PUBLISHED
Assigner: apache
Published:
Updated: 2026-09-14T13:24:22.654Z
Reserved: 2026-08-11T11:03:09.545Z
Link: CVE-2026-73191
Vulnrichment
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NVD
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Redhat
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OpenCVE Enrichment
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