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Medium · 4.2 CVE-2026-89105 EUVD-2026-98188GHSA-2v6r-vpfh-4h7c

Improper Authentication in HybridTokenAuthenticator of SAP/cloud-security-services-integration-library

Published Oct 13, 2026 · Updated Oct 13, 2026 · Assigned by sap

Description

The HybridTokenAuthenticator component of the SAP/cloud-security-services-integration-library accepts tokens from unintended ambient IAS/XSUAA bindings, potentially allowing unauthorized access. This vulnerability allows an attacker to gain unauthorized access to the system by using tokens that should not be accepted, leading to a breach of security.

Affected products

VendorProductAffectedFixed
SAP_SE SAP/cloud-security-services-integration-library >=3.6.6, <4.1.1 —

Advisories 1

References