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CVE-2026-66779— Cross-Site Scripting (XSS) vulnerability in SAP NetWeaver Application Server ABAP

Quick assessment

Affected
SAP_SE SAP NetWeaver Application Server ABAP
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 netweaver application server abap是德国SAP公司的一个企业级应用服务器平台。 SAP netweaver application server abap SAP_UI 754版本、755版本、756版本、757版本、758版本、816版本、EP-FLP 7.50版本、SAP_BASIS 731版本和AJAX-RUNTIME 7.50版本存在跨站脚本漏洞，该漏洞源于跨站脚本漏洞，已认证攻击者可能生成恶意链接，若已认证受害者访问该链接，注入的输入在页面渲染时于客户端D

CVSS 6.3 · Medium EPSS 0.35% · P26

Affected Version Matrix 9

VendorProduct Version RangeStatus
SAP_SE SAP NetWeaver Application Server ABAP SAP_UI 754 affected
755 affected
756 affected
757 affected
758 affected
816 affected
EP-FLP 7.50 affected
SAP_BASIS 731 affected
… +1 more rows
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I. Basic Information for CVE-2026-66779

Vulnerability Information
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Vulnerability Title
Cross-Site Scripting (XSS) vulnerability in SAP NetWeaver Application Server ABAP
Source: CVE Program / CVE List V5
Vulnerability Description
Due to a Cross-Site Scripting (XSS) vulnerability in SAP NetWeaver Application Server ABAP, an authenticated attacker could generate a malicious link and make it publicly accessible. If an authenticated victim accesses this link, the injected input is processed and reflected within the DOM on the client side during page rendering, resulting in the execution of malicious content in the victim's browser context. Successful exploitation could result in a high impact to the confidentiality and a low impact to the integrity of the system, while availability remains unaffected.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/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 netweaver application server abap 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SAP netweaver application server abap是德国SAP公司的一个企业级应用服务器平台。 SAP netweaver application server abap SAP_UI 754版本、755版本、756版本、757版本、758版本、816版本、EP-FLP 7.50版本、SAP_BASIS 731版本和AJAX-RUNTIME 7.50版本存在跨站脚本漏洞，该漏洞源于跨站脚本漏洞，已认证攻击者可能生成恶意链接，若已认证受害者访问该链接，注入的输入在页面渲染时于客户端D
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 SAP NetWeaver Application Server ABAP SAP_UI 754 -

II. Public POCs for CVE-2026-66779

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III. Intelligence Information for CVE-2026-66779

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Other References for CVE-2026-66779 (1)

Same Patch Batch · SAP_SE · 2026-08-11 · 34 CVEs total

CVE-2026-58231 10.0 CRITICAL Improper Authorization in SAP Commerce Cloud (Data Hub Adapter)
CVE-2026-34265 9.8 CRITICAL Memory Corruption vulnerability in Application Server ABAP for SAP NetWeaver and ABAP Plat
CVE-2026-44758 9.1 CRITICAL Code Injection vulnerability in Manufacturing Integration and Intelligence
CVE-2026-58243 8.8 HIGH Privilege Escalation vulnerability in SAP ABAP Developer Tools
CVE-2026-66763 7.9 HIGH Credentials disclosure in SAP BusinessObjects Business Intelligence Platform (Central Mana
CVE-2026-44763 7.6 HIGH Directory Traversal vulnerability in SAP Manufacturing Integration and Intelligence
CVE-2026-44764 7.3 HIGH Missing Authorization Check in SAP Manufacturing Integration and Intelligence
CVE-2026-44765 7.3 HIGH Missing Authorization Check in SAP Manufacturing Integration and Intelligence
CVE-2026-58230 7.0 HIGH Multiple vulnerabilities in SAP Business AI Platform (Approuter)
CVE-2026-58248 6.5 MEDIUM XML External Entity Injection in SAP BusinessObjects Business Intelligence
CVE-2026-66760 6.4 MEDIUM Multiple vulnerabilities in SAP Business AI Platform (Approuter)
CVE-2026-66770 6.3 MEDIUM SQL Injection vulnerability in SAP Social Intelligence
CVE-2026-58235 6.3 MEDIUM Use of Vulnerable Third-Party Component in SAP NetWeaver AS Java (Adobe Document Services)
CVE-2026-66771 6.1 MEDIUM Cross Site Scripting (XSS) vulnerability in SAPUI5
CVE-2026-66773 5.9 MEDIUM Server-controlled `__next` URL is not checking cross-origin
CVE-2026-58237 5.9 MEDIUM Multiple vulnerabilities in SAP Business AI Platform (Approuter)
CVE-2026-58238 5.9 MEDIUM Multiple vulnerabilities in SAP Business AI Platform (Approuter)
CVE-2026-66777 5.9 MEDIUM Multiple vulnerabilities in SAP Business AI Platform (Approuter)
CVE-2026-66776 5.9 MEDIUM Multiple vulnerabilities in SAP Business AI Platform (Approuter)
CVE-2026-58236 5.5 MEDIUM OS Command Injection vulnerability in Application Server ABAP of SAP NetWeaver and ABAP Pl

Showing top 20 of 34 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: SAP NetWeaver Application Server ABAP
Same vendor: SAP_SE
Same weakness: CWE-79

V. Comments for CVE-2026-66779

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