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.

CVSS 3.1

4.2CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

EPSS

0.1% chance of exploitation in the next 30 days; higher than 3% of CVEs (scores of 2026-10-25)

CWE

CWE-1188

Published

2026-10-13

Modified

2026-10-15

Record from

the NVD, synced 2026-10-19

References

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

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