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CVE-2026-44745— Open Redirect vulnerability in SAP Approuter

CVSS 8.1 · High EPSS 0.33% · P25

Affected Version Matrix 1

VendorProductVersion RangeStatus
SAP_SESAP ApprouterSAP Approuter node.js package < 21.2.0affected
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I. Basic Information for CVE-2026-44745

Vulnerability Information
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Vulnerability Title
Open Redirect vulnerability in SAP Approuter
Source: NVD (National Vulnerability Database)
Vulnerability Description
SAP Approuter does not properly validate incoming request headers during the OAuth2 login flow under certain configurations. This allows an unauthenticated remote attacker to craft a malicious link which, when clicked by a victim, could lead to unauthorized access. Successful exploitation results in a high impact to the confidentiality and integrity with no impact on the availability of the application.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
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
SAP Approuter 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SAP Approuter是德国SAP公司开源的一项轻量级服务,可作为 SAP 生态系统中各种后端服务和应用程序的单一入口点。 SAP Approuter 21.2.0之前版本存在输入验证错误漏洞，该漏洞源于在特定配置下未正确验证OAuth2登录流程中的请求标头，可能导致未经身份验证的远程攻击者构造恶意链接，在受害者点击后实现未授权访问，对机密性和完整性造成高影响。
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

VendorProductAffected VersionsCPESubscribe
SAP_SESAP Approuter SAP Approuter node.js package < 21.2.0 -

II. Public POCs for CVE-2026-44745

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III. Intelligence Information for CVE-2026-44745

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Vendor Advisories for CVE-2026-44745 (1)

Same Patch Batch · SAP_SE · 2026-07-14 · 15 CVEs total

CVE-2026-447479.9 CRITICALMemory Corruption vulnerability in SAP NetWeaver Application Server ABAP
CVE-2026-276909.1 CRITICALHTTP Request Smuggling in SAP Approuter
CVE-2026-447619.1 CRITICALInsecure Sample Credentials in SAP Commerce Cloud
CVE-2026-04878.4 HIGHDLL Hijacking vulnerability in SAProuter on Microsoft Windows
CVE-2026-447528.2 HIGHCross-Site Scripting (XSS) vulnerability in SAP NetWeaver Application Server Java(Configur
CVE-2026-582337.6 HIGHRemote Code Execution vulnerability in SAP Change and Transport System Attach Tool (ctsatt
CVE-2026-447676.1 MEDIUMAllowlist Bypass in setThemeRoot() Enables Cross-Origin CSS Injection
CVE-2026-447596.1 MEDIUMCross Site Scripting (XSS) vulnerability in SAP NetWeaver Enterprise Portal
CVE-2026-447695.5 MEDIUMSQL Injection vulnerability in SAP S/4HANA Project Management (PPM-PRO)
CVE-2026-447604.7 MEDIUMCross-Site Scripting (XSS) vulnerability in SAP NetWeaver Application Server ABAP (applica
CVE-2026-447714.3 MEDIUMMissing Authorization check in SAP S/4HANA (Draft operation)
CVE-2026-447704.3 MEDIUMMissing Authorization check in SAP S/4 HANA (Create Single Payment)
CVE-2026-447684.1 MEDIUMSecurity misconfiguration in SAP CRM (WebClient UI)
CVE-2026-447533.7 LOWInformation Disclosure vulnerability in SAP HANA Extended Application Services classic mod

IV. Related Vulnerabilities

Same product: SAP Approuter
Same vendor: SAP_SE
Same weakness: CWE-601

V. Comments for CVE-2026-44745

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