CVE-2026-89111— OAuth2 SSRF vulnerability in SAP Cloud SDK for Python
Quick assessment
Affected
SAP_SE SAP Cloud
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 Cloud SDK for Python 中存在一个 OAuth2 SSRF（服务器端请求伪造）漏洞，影响多租户 BTP 应用程序。如果攻击者能够控制 tenant_subdomain 参数，即可将 OAuth2 令牌请求重定向到由攻击者控制的服务器，从而导致客户端凭据被泄露。
Possible ATT&CK Techniques 3 AI
T1190 · Exploit Public-Facing Application T1041 · Exfiltration Over C2 Channel T1189 · Drive-by Compromise
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I. Basic Information for CVE-2026-89111
Vulnerability Information
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Vulnerability Title
OAuth2 SSRF vulnerability in SAP Cloud SDK for Python
Source: CVE Program / CVE List V5
Vulnerability Description
The SAP Cloud SDK for Python contains an OAuth2 SSRF vulnerability affecting multi-tenant BTP applications. An attacker who controls the tenant_subdomain parameter can redirect OAuth2 token requests to an attacker-controlled server, causing client credentials to be exfiltrated.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-89111
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-89111 (2)
Same Patch Batch · SAP_SE · 2026-10-13 · 20 CVEs total
| CVE-2026-89107 | 9.9 CRITICAL | Code Injection vulnerability in SAP S/4HANA (Manage Substitution/Validation Rules) |
| CVE-2026-89110 | 9.9 CRITICAL | Broken Access Control in SAP NetWeaver Visual Composer |
| CVE-2026-89108 | 9.1 CRITICAL | Missing Authorization check in SAP Manufacturing Integration and Intelligence (Configurati |
| CVE-2026-89113 | 8.8 HIGH | SQL Injection vulnerability in SAP Commerce Cloud (OOTB Code) |
| CVE-2026-58249 | 7.5 HIGH | Memory Corruption vulnerability in SAP NetWeaver and SAP Web Dispatcher (Internet Communic |
| CVE-2026-89120 | 7.1 HIGH | Missing authorization check in SAP ABAP Platform |
| CVE-2026-89112 | 6.5 MEDIUM | Broken Access Control in CLA-Assistant � CLA Signature PII Disclosure |
| CVE-2026-76972 | 6.5 MEDIUM | Cross-Site Scripting (XSS) vulnerability in SAP Manufacturing Integration and Intelligence |
| CVE-2026-89122 | 6.1 MEDIUM | Open Redirect Vulnerability in SAP NetWeaver Enterprise Portal |
| CVE-2026-89117 | 6.1 MEDIUM | Cross-Site Scripting (XSS) vulnerability in SAP NetWeaver Enterprise Portal |
| CVE-2026-76975 | 6.1 MEDIUM | Cross-Site Scripting (XSS) vulnerability in SAPUI5 (Support Assistant Overlay) |
| CVE-2026-89116 | 5.9 MEDIUM | OS Command Injection in Yeoman-UI / Application Wizard Extension for VS Code |
| CVE-2026-76976 | 5.4 MEDIUM | Cross-Site Scripting (XSS) vulnerability in SAP NetWeaver Application Server ABAP (Applica |
| CVE-2026-89118 | 5.3 MEDIUM | Information Disclosure vulnerability in SAP NetWeaver Enterprise Portal |
| CVE-2026-89121 | 4.7 MEDIUM | Missing Authorization Check in SAP S/4HANA (Linear Asset Management RAP Business Object) |
| CVE-2026-89106 | 4.4 MEDIUM | Cross Site Scripting (XSS) vulnerability in SAPUI5 |
| CVE-2026-89124 | 4.3 MEDIUM | Missing Authorization Check in SAP Global Trade Services, edition for SAP HANA (Display Pr |
| CVE-2026-89105 | 4.2 MEDIUM | Improper Authentication in HybridTokenAuthenticator of SAP/cloud-security-services-integra |
| CVE-2026-58242 | 3.5 LOW | Improper Authorization check in SAP Cloud Connector |
IV. Related Vulnerabilities
Same vendor: SAP_SE
-
CVE-2026-89124
Missing Authorization Check in SAP Global Trade Services, ed -
CVE-2026-89122
Open Redirect Vulnerability in SAP NetWeaver Enterprise Port -
CVE-2026-89121
Missing Authorization Check in SAP S/4HANA (Linear Asset Man -
CVE-2026-89120
Missing authorization check in SAP ABAP Platform -
CVE-2026-89118
Information Disclosure vulnerability in SAP NetWeaver Enterp
Same weakness: CWE-918
-
CVE-2026-95634
CAI Content Credentials | Server-Side Request Forgery (SSRF) -
CVE-2026-105897
ColdFusion | Server-Side Request Forgery (SSRF) (CWE-918) -
CVE-2026-34633
ColdFusion | Server-Side Request Forgery (SSRF) (CWE-918) -
CVE-2026-106622
ColdFusion | Server-Side Request Forgery (SSRF) (CWE-918) -
CVE-2026-34634
ColdFusion | Server-Side Request Forgery (SSRF) (CWE-918)
V. Comments for CVE-2026-89111
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