CVE-2026-89105

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.

Score

CVSS 3.1 4.2 Medium

Status

Awaiting Analysis - cna@sap.com

Published

2026-10-13

Last modified

2026-10-15

Weaknesses

CWE-1188

Affected products

• Sapcloud-security-services-integration-library (Sap Se)

References

• https://github.com/SAP/cloud-security-services-integration-library/security/advisories/GHSA-857v-p42q-f3qf
• https://url.sap/sapsecuritypatchday