CVE Catalog

CVE-2026-89111

CriticalCVSS 10.0
Published: Updated: Translated: NVD NIST

Summary

SAP Cloud SDK for Python contains an OAuth2 SSRF vulnerability affecting multi-tenant BTP applications. An attacker controlling the tenant_subdomain parameter can redirect OAuth2 token requests to an attacker-controlled server, leading to client credential exfiltration.

Risk Assessment

Client credential exfiltration could allow an attacker to gain unauthorized access to resources and data in the SAP cloud application. This could lead to breaches of data confidentiality and integrity, as well as account takeover.

Recommendation

Upgrade SAP Cloud SDK for Python to a patched version. Additionally, review the configuration of the tenant_subdomain parameter and restrict user control over it.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS