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CVE-2026-40137— Cross-Site Scripting (XSS) vulnerability in Business Server Pages Application (TAF_APPLAUNCHER)

Quick assessment

Affected
SAP_SE Business Server Pages Application (TAF_APPLAUNCHER)
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SAP Business Server Pages Application是德国思爱普（SAP）公司的一个Web应用程序框架。 SAP Business Server Pages Application存在跨站脚本漏洞，该漏洞源于允许未经身份验证的攻击者制作恶意链接，受害者点击后重定向到攻击者控制的站点，可能暴露或更改敏感信息，对机密性和完整性有低影响。

CVSS 6.1 · Medium EPSS 0.29% · P19

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise

Affected Version Matrix 2

VendorProduct Version RangeStatus
SAP_SE Business Server Pages Application (TAF_APPLAUNCHER) ST-PI 740 affected
758 affected
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I. Basic Information for CVE-2026-40137

Vulnerability Information
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Vulnerability Title
Cross-Site Scripting (XSS) vulnerability in Business Server Pages Application (TAF_APPLAUNCHER)
Source: CVE Program / CVE List V5
Vulnerability Description
SAP TAF_APPLAUNCHER within Business Server Pages allows an unauthenticated attacker to craft malicious links that, when clicked by a victim, redirects them to attacker?controlled sites, potentially exposing or altering sensitive information in the victim�s browser. This results in a low impact on confidentiality and integrity, with no impact on the availability of the application.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
SAP Business Server Pages Application 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SAP Business Server Pages Application是德国思爱普（SAP）公司的一个Web应用程序框架。 SAP Business Server Pages Application存在跨站脚本漏洞，该漏洞源于允许未经身份验证的攻击者制作恶意链接，受害者点击后重定向到攻击者控制的站点，可能暴露或更改敏感信息，对机密性和完整性有低影响。
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

Vendor Product Affected Versions CPE Subscribe
SAP_SE Business Server Pages Application (TAF_APPLAUNCHER) ST-PI 740 -

II. Public POCs for CVE-2026-40137

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III. Intelligence Information for CVE-2026-40137

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Other References for CVE-2026-40137 (1)

Same Patch Batch · SAP_SE · 2026-05-12 · 14 CVEs total

CVE-2026-34263 9.6 CRITICAL Missing authentication check in SAP Commerce cloud configuration
CVE-2026-34260 9.6 CRITICAL SQL injection vulnerability in SAP S/4HANA (SAP Enterprise Search for ABAP)
CVE-2026-34259 8.2 HIGH OS Command Injection Vulnerability in SAP Forecasting & Replenishment
CVE-2026-40135 6.5 MEDIUM OS Command Injection vulnerability in SAP NetWeaver Application Server for ABAP and ABAP P
CVE-2026-40133 6.3 MEDIUM Missing Authorization check in SAP S/4HANA Condition Maintenance
CVE-2026-0502 5.4 MEDIUM Cross Site Request Forgery (CSRF) in SAP BusinessObjects Business Intelligence Platform
CVE-2026-40132 5.4 MEDIUM Missing Authorization Check in SAP Strategic Enterprise Management (BSP application Balanc
CVE-2026-27682 4.7 MEDIUM Reflected Cross-Site Scripting (XSS) vulnerability in SAP NetWeaver Application Server ABA
CVE-2026-34258 4.7 MEDIUM Content Spoofing vulnerability in SAPUI5 (Search UI)
CVE-2026-40136 4.3 MEDIUM Denial of service (DoS) in SAP Financial Consolidation
CVE-2026-40129 4.3 MEDIUM Code Injection vulnerability in SAP Application Server ABAP for SAP NetWeaver and ABAP Pla
CVE-2026-40134 4.3 MEDIUM Missing Authorization Check in SAP Incentive and Commission Management
CVE-2026-40131 3.4 LOW SQL Injection vulnerability in SAP HANA Deployment Infrastructure (HDI) deploy library

IV. Related Vulnerabilities

Same product: Business Server Pages Application (TAF_APPLAUNCHER)
Same vendor: SAP_SE
Same weakness: CWE-79

V. Comments for CVE-2026-40137

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