Advisoriesby IbisSAPCVE-2026-89111
SAP Cloud: server-side request forgery
Fix: upgrade to 0.55.1 or later
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.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| SAP Cloud Product | <= sap-cloud-sdk < 0.45.2 | No fix yet |
| >= >=0.53.0, < 0.55.1 | 0.55.1 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-918