OAuth2 SSRF vulnerability in SAP Cloud SDK for Python

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-89111
StatePUBLISHED
Assignersap
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-13 01:16:47 UTC
Updated2026-10-13 03:16:41 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 10 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Problem Types: CWE-918 | CWE-918 CWE-918: Server-Side Request Forgery

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary10CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
3.1CNACVSS10CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA SAP SE SAP Cloud affected sap-cloud-sdk < 0.45.2 Not specified

References

ReferenceSourceLinkTags
url.sap/sapsecuritypatchday [email protected] url.sap
github.com/SAP/cloud-sdk-python/security/advisories/GHSA-4mv3-jxxm-9cx2 [email protected] github.com
github.com/SAP/cloud-security-services-integration-library/security/advi... MITRE github.com
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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