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Medium 4.2Published Oct 13, 2026

CVE-2026-89105Improper Authentication in HybridTokenAuthenticator of SAP/cloud-security-services-integration-library

Updated under an hour ago ()

Does this affect you?

It affects SAP_SE SAP/cloud-security-services-integration-library. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
4.2 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness (CWE)
CWE-1188
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
sap
NVD analysis
Awaiting Analysis
Record last updated
Oct 13, 2026
First seen by InfoSec Signals
Oct 13, 2026

Affected products

Affected products
SAP_SE SAP/cloud-security-services-integration-library
sap_se:sap_cloud_security_services_integration_library (from the name)
from 3.6.6; before 4.1.1
CNA record

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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