SimpleSAMLphp-casserver is a CAS 1.0 and 2.0 compliant CAS server in the form of a SimpleSAMLphp module. In versions below 6.3.1 and 7.0.0, the logout endpoint accepts a url query parameter to redirect to. casserver treats that url as trusted, and either (depending on configuration) redirects the browser there, or shows a "you've been logged out" page with a link to continue to that url. Impacted configs include 'enable_logout' => true, and 'skip_logout_page' -> true. This issue has been resolved in versions 6.3.1 and 7.0.0.
References
Configurations
Configuration 1 (hide)
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History
No history.
Information
Published : 2026-05-18 20:16
Updated : 2026-06-17 09:56
NVD link : CVE-2025-65954
Mitre link : CVE-2025-65954
CVE.ORG link : CVE-2025-65954
JSON object : View
Products Affected
simplesamlphp
- simplesamlphp-module-casserver
CWE
CWE-601
URL Redirection to Untrusted Site ('Open Redirect')
