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Back to active CVEs
Medium · CVSS 4.2CVE-2026-89105

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

Answer in brief

CVE-2026-89105 records a Medium severity (CVSS 4.2) vulnerability in Improper Authentication in HybridTokenAuthenticator of SAP/cloud-security-services-integration-library. The current sources do not mark it as known exploited. The current feed maps SAP_SE/SAP/cloud-security-services-integration-library (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 13, 2026Updated Oct 13, 2026Source checked Oct 13, 2026First seen by HOL Oct 13, 2026Material review Oct 13, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 4.2
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 4.2. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps SAP_SE/SAP/cloud-security-services-integration-library (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
SAP_SE/SAP/cloud-security-services-integration-librarygeneric>=3.6.6 || <4.1.14.1.1

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for SAP_SE/SAP/cloud-security-services-integration-library.
  2. 2Review the reported fix. Update SAP_SE/SAP/cloud-security-services-integration-library to 4.1.1 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 13, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 13, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 13, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referenceurl.sap
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Missing authorization check in SAP ABAP PlatformAlso CWE-1188
  • Server-Side Request Forgery (SSRF) in GitLabSame generic ecosystem
  • Acceptance of Extraneous Untrusted Data With Trusted Data in GitLabSame generic ecosystem
  • Insertion of Sensitive Information into Log File in GitLabSame generic ecosystem
  • Incorrect Authorization in GitLabSame generic ecosystem
  • Incorrect Privilege Assignment in GitLabSame generic ecosystem

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-1188
Source
CVE List V5
Source checked
Oct 13, 2026
References
2 linked sources
Open source record