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TI-2026-71490 Aliases CVE-2026-89105GHSA-2v6r-vpfh-4h7c

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

Priority LOW 19CWE-1188Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00143 3rd percentileScored 2026-11-07
Fix Fixed SAP/cloud-security-services-integration-library (SAP_SE): 4.1.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SAPSAP/cloud-security-services-integration-library>=3.6.6; before 4.1.14.1.1Patch availableCNA
  • SAP/cloud-security-services-integration-library VendorSAP Affected >=3.6.6; before 4.1.1 Fixed in 4.1.1 Patch available CNA

Remediation

  • Fix · CNA SAP/cloud-security-services-integration-library (SAP_SE) Fixed in 4.1.1

Timeline

  1. 2026-10-13 Threatist record created from CVE-2026-89105
  2. 2026-10-13 Alias added: GHSA-2v6r-vpfh-4h7c
  3. 2026-10-13 CISA SSVC decision points changed

References

Other 2

  • TI-2025-22522 Missing Authorization check in SAP NetWeaver (Visual Composer development server) KEVCVSS 3.1CRITICAL 10.0
  • TI-2022-06811 SAP NetWeaver Application Server ABAP, SAP NetWeaver Application Server Java, ABAP… KEVCVSS 3.1CRITICAL 10.0
  • TI-2021-15842 Path traversal in SAP NetWeaver KEVCVSS 3.1CRITICAL 9.9
  • TI-2020-05139 Missing authentication in SAP NetWeaver AS JAVA KEVCVSS 3.1CRITICAL 10.0
  • TI-2020-05063 Missing authentication in SAP Solution Manager KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-00284 Deserialization of untrusted data in SAP Commerce Cloud KEVCVSS 3.1CRITICAL 9.8
See all 1967 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences