This vulnerability was originally fixed in 0.45.2. It was reintroduced in 0.53.0 when the HTTP client was refactored into a shared core module, and the tenant subdomain validation was not carried over to the new location. The validation was restored in 0.55.1.
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Tue, 03 Nov 2026 19:45:00 +0000
| Type | Values Removed | Values Added |
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| 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. | 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. This vulnerability was originally fixed in 0.45.2. It was reintroduced in 0.53.0 when the HTTP client was refactored into a shared core module, and the tenant subdomain validation was not carried over to the new location. The validation was restored in 0.55.1. |
Wed, 14 Oct 2026 20:30:00 +0000
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ssvc
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Tue, 13 Oct 2026 07:45:00 +0000
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| First Time appeared |
Sap Se
Sap Se sap Cloud |
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| Vendors & Products |
Sap Se
Sap Se sap Cloud |
Tue, 13 Oct 2026 03:30:00 +0000
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Tue, 13 Oct 2026 02:45:00 +0000
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Tue, 13 Oct 2026 01:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | OAuth2 SSRF vulnerability in SAP Cloud SDK for Python | |
| Weaknesses | CWE-918 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: sap
Published:
Updated: 2026-11-03T19:30:58.472Z
Reserved: 2026-09-10T22:24:03.823Z
Link: CVE-2026-89111
Updated: 2026-10-14T19:14:46.234Z
Status : Awaiting Analysis
Published: 2026-10-13T01:16:47.890
Modified: 2026-10-30T18:18:16.193
Link: CVE-2026-89111
No data.
OpenCVE Enrichment
Updated: 2026-10-13T07:23:56Z
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CWE-918
Server-Side Request Forgery (SSRF)