CVE-2026-17362
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Unauthorized Tenant Modification in IBM API Connect

Publication date: 2026-11-07

Last updated on: 2026-11-07

Assigner: IBM Corporation

Description
IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote attacker to create, modify, or delete tenants due to missing authorization.

CVSS Scores

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Meta Information

Published
2026-11-07
Last Modified
2026-11-07
Generated
2026-11-07
AI Q&A
2026-11-07
EPSS Evaluated
N/A
NVD
CVE-2026-17362
EUVD
EUVD-2026-118598

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
IBM API Connect V12 OnPrem From 12.1.0.0 (inc) to 12.1.1.2 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

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Executive Summary

IBM API Connect versions 12.1.0.0 through 12.1.1.2 have a vulnerability where a remote attacker can create, modify, or delete tenants due to missing authorization checks. This allows unauthorized access to tenant management functions.

Impact Analysis

An attacker could exploit this to gain control over tenant accounts, leading to data breaches, unauthorized access to sensitive information, or disruption of services. The high CVSS score indicates severe impact.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR (data protection) and HIPAA (health data privacy) due to unauthorized access to tenant data. It may result in legal penalties, loss of trust, and regulatory fines.

Mitigation Strategies

Apply the latest IBM API Connect patches or updates to address missing authorization checks. Review and restrict tenant management permissions to prevent unauthorized access. Monitor for unusual tenant creation, modification, or deletion activities.

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