Unauthenticated File Update in IBM Engineering Lifecycle Management

Executive Summary

IBM Engineering Lifecycle Management - Jazz Foundation has an authentication bypass vulnerability identified as CVE-2026-3660.

This flaw allows an unauthenticated remote attacker to update server property files, which can lead to unauthorized access to the application.

The vulnerability is classified under CWE-863 (Incorrect Authorization) and affects versions 7.0.3 (through Interim Fix 021), 7.1.0 (through Interim Fix 009), and 7.2.0 (through Interim Fix 001).

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Impact Analysis

An unauthenticated remote attacker could exploit this vulnerability to update server property files, which may allow them to gain unauthorized access to the IBM Engineering Lifecycle Management application.

This unauthorized access could lead to a complete compromise of confidentiality, integrity, and availability of the affected system, as indicated by the CVSS score of 9.8 with high impact on all three security aspects.

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Mitigation Strategies

IBM recommends upgrading to specific Interim Fixes (iFixes) to remediate the issue.

• For version 7.0.3, apply iFix022.
• For version 7.1.0, apply iFix010.
• For version 7.2.0, apply iFix002.

No workarounds are provided, so customers are advised to apply these fixes promptly.

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Compliance Impact

The provided information does not specify how this vulnerability affects compliance with common standards and regulations such as GDPR or HIPAA.

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