CVE Catalog

CVE-2026-89105

MediumCVSS 4.2
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.14%

3th percentile - higher than 3% of all known CVEs

Summary

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

Risk Assessment

Unauthorized system access through acceptance of invalid tokens is a serious security breach that could lead to compromise of protected resources.

Recommendation

Update the SAP/cloud-security-services-integration-library to a version that correctly validates IAS/XSUAA bindings, and verify the token authentication configuration.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS