CVE-2026-73191

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.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://lists.apache.org/thread/vx9bons1znhdkdpsxwjpy6qqqjc8xqtk
http://www.openwall.com/lists/oss-security/2026/09/14/5

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-14 14:17

Updated : 2026-09-14 20:58

NVD link : CVE-2026-73191

Mitre link : CVE-2026-73191

CVE.ORG link : CVE-2026-73191

JSON object : View

Products Affected

No product.

CWE

CWE-601

URL Redirection to Untrusted Site ('Open Redirect')

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