CVE-2026-89111
OAuth2 SSRF vulnerability in SAP Cloud SDK for Python
CVSS Score
10.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | sap_se |
| Product | sap cloud |
| Published | Oct 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
SAP_SE / SAP Cloud
sap-cloud-sdk < 0.45.2