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CVE-2025-65954

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CVE-2025-65954

Published: May 18, 2026

Modified: May 18, 2026

PUBLISHED

CVSS v3.0

4.7

MEDIUM

Description

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.

VendorProductVersions

simplesamlphp

simplesamlphp-module-casserver

affected
< 6.3.1
affected
>= 7.0.0-rc1, < 7.0.0

Weaknesses (CWE)

CWE-601

CVSS v3.0 Details

CVSS v3.0 Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

None

Integrity

Low

Availability

None

References

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