CVE-2026-89105
Published:October 13, 2026
Updated:October 13, 2026
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 Packages
https://github.com/SAP/cloud-security-services-integration-library.git (GITHUB):
Affected version(s) >=4.0.0 <4.1.2Fix Suggestion:
Update to version 4.1.2com.sap.cloud.security:java-security (JAVA):
Affected version(s) >=4.0.0 <4.1.2Fix Suggestion:
Update to version 4.1.2Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
2.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.2
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Initialization of a Resource with an Insecure Default
EPSS
Base Score:
0.14