CVE-2025-65954— SimpleSAMLphp-casserver has an Open Redirect vulnerability via logout
Possible ATT&CK Techniques 1AI
T1189 · Drive-by CompromiseAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| simplesamlphp | simplesamlphp-module-casserver | < 6.3.1 | affected |
>= 7.0.0-rc1, < 7.0.0 | affected |
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I. Basic Information for CVE-2025-65954
Vulnerability Information
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Vulnerability Title
SimpleSAMLphp-casserver has an Open Redirect vulnerability via logout
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: NVD (National Vulnerability Database)
Vulnerability Title
SimpleSAMLphp-casserver 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SimpleSAMLphp-casserver是SimpleSAMLphp开源的一款CAS协议兼容的单点登录服务器模块。 SimpleSAMLphp-casserver 6.3.1之前版本和7.0.0之前版本存在输入验证错误漏洞，该漏洞源于注销端点将url查询参数视为可信，可能导致重定向或显示已注销页面。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| simplesamlphp | simplesamlphp-module-casserver | < 6.3.1 | - |
II. Public POCs for CVE-2025-65954
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same vendor: simplesamlphp
- CVE-2026-32600
xml-security is Missing AES-GCM Authentication Tag Validatio - CVE-2025-27773
SimpleSAMLphp SAML2 library has incorrect signature verifica - CVE-2024-52596
SimpleSAMLphp xml-common XXE vulnerability - CVE-2024-52806
SimpleSAMLphp SAML2 has an XXE in parsing SAML messages - CVE-2023-49087
Validation of SignedInfo
Same weakness: CWE-601
- CVE-2026-7504
Org.keycloak/keycloak-services: open redirect when using wil - CVE-2026-42207
Magento LTS: Open Redirect via Unvalidated `uenc` Parameter - CVE-2026-44427
MCP Registry: Open Redirect - CVE-2026-44520
Docling-Graph: SSRF via Missing Internal IP Validation in UR - CVE-2026-45448
ntopng - CWE-601: URL Redirection to Untrusted Site ('Open R
V. Comments for CVE-2025-65954
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