CVE-2026-89105 json
Improper Authentication in HybridTokenAuthenticator of SAP/cloud-security-services-integration-library
published 2026-10-13 27 d ago modified 2026-10-15 24 d ago also EUVD-2026-98188
- cvss
- 4.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 3%
- public exploits
- 0
- none known
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.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 27 d ago
Exploit prediction
0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.2 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N |
Affected products
- SAP_SE SAP/cloud-security-services-integration-library
Classification
- Weakness
-
- CWE-1188 Initialization of a Resource with an Insecure Default
References
Sources
- CVE List CVE-2026-89105
- NVD CVE-2026-89105
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