Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-58240— Missing Authentication check in SAP NetWeaver (Message Server)

Quick assessment

Affected
SAP_SE SAP NetWeaver (Message Server)
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 消息服务器在内部应用服务器组件注册过程中，未充分验证这些组件的真实性。拥有受影响服务网络访问权限的未认证攻击者可利用此弱点，注册一个未经授权的组件，并可能在应用环境中执行未经授权的操作，从而对受影响系统的机密性、完整性和可用性造成高影响。

CVSS 9.8 · Critical

Possible ATT&CK Techniques 1 AI

T1079
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-58240

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Missing Authentication check in SAP NetWeaver (Message Server)
Source: CVE Program / CVE List V5
Vulnerability Description
SAP NetWeaver Message Server does not sufficiently validate the authenticity of internal application server components during registration. An unauthenticated attacker with network access to the affected service could exploit this weakness to register an unauthorized component and potentially perform unauthorized actions within the application environment, resulting in a high impact on the confidentiality, integrity, and availability of the affected system.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用单一因素认证机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
SAP_SE SAP NetWeaver (Message Server) KERNEL 9.16 -

II. Public POCs for CVE-2026-58240

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-58240

请登录查看更多情报信息。

Vendor Pages for CVE-2026-58240 (1)

Same Patch Batch · SAP_SE · 2026-09-08 · 17 CVEs total

CVE-2026-44756 10.0 CRITICAL Memory Corruption vulnerability in SAP Extended Passport (EPP) Processing
CVE-2026-76969 9.4 CRITICAL Credential disclosure in multitenant applications using SAP Cloud Application Programming
CVE-2026-66768 9.0 CRITICAL Improper Access Control in SAP NetWeaver (SAP GUI for Java)
CVE-2026-76958 8.5 HIGH XML External Entity (XXE) Vulnerability in SAP Integration Suite
CVE-2026-76967 7.8 HIGH Insecure Deserialization in SAP NetWeaver Business Client
CVE-2026-66767 7.7 HIGH Memory Corruption vulnerability in SAP NetWeaver Application Server for ABAP and ABAP Plat
CVE-2026-76971 6.5 MEDIUM Server-Side Request Forgery in SAP Manufacturing Integration and Intelligence
CVE-2026-76968 6.5 MEDIUM Information Disclosure vulnerability in SAP Web Dispatcher, Internet Communication Manager
CVE-2026-44766 6.5 MEDIUM SQL Injection vulnerability in SAP S/4HANA (Intercompany Matching and Reconciliation)
CVE-2026-76959 4.6 MEDIUM Cross-Site Request Forgery (CSRF) vulnerability in SAP S/4HANA (Finance for Advanced Payme
CVE-2026-76977 4.3 MEDIUM Clickjacking vulnerability in SAPUI5(Frame Options Allowlist)
CVE-2026-76963 4.3 MEDIUM Missing Authorization Check in Application Server ABAP of SAP NetWeaver and ABAP Platform
CVE-2026-76962 4.3 MEDIUM Missing Authorization check in SAP S/4HANA (Manage Bank Chains app)
CVE-2026-76961 3.5 LOW Cross-Site Request Forgery (CSRF) vulnerability in SAP S/4HANA (Finance for Advanced Payme
CVE-2026-76960 3.5 LOW Cross-Site Request Forgery (CSRF) vulnerability in SAP S/4HANA (Finance for Advanced Payme
CVE-2026-58234 2.2 LOW Denial of Service vulnerability in SAP Process Integration (SOAP Adapter)

IV. Related Vulnerabilities

Same vendor: SAP_SE
Same weakness: CWE-308

V. Comments for CVE-2026-58240

No comments yet

Leave a comment