CriticalCritical vulnerability

CVE-2026-89111 (CVSS 10.0)

NVD · officialPublished Oct 13, 2026Risk 50/100

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.

Technical details

CVSS

10.0

AV:NetworkAC:LowPR:NoneUI:NoneC:HighI:HighA:None

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

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