CVE-2026-89111

10.0Critical

Published 13 Oct 2026 · NVD status: Awaiting Analysis

10.0Critical

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Impact: High impact on confidentiality, integrity
Weakness: CWE-918

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CVSS v3.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

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NVD 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.

References

https://github.com/SAP/cloud-sdk-python/security/advisories/GHSA-4mv3-jxxm-9cx2
https://url.sap/sapsecuritypatchday

Source: nvd.nist.gov/vuln/detail/CVE-2026-89111