Impact Analysis

The vulnerability could lead to unauthorized disclosure of users' email addresses to authenticated users who should not have access to that information. This could result in privacy breaches and potential misuse of email addresses.

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Executive Summary

This vulnerability in GitLab EE affects versions from 16.6 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3. Under certain circumstances, it could allow an authenticated user to access other users' email addresses through specific GraphQL queries.

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Compliance Impact

This vulnerability could allow an authenticated user to access other users' email addresses under certain circumstances.

Exposure of email addresses may have implications for compliance with data protection regulations such as GDPR and HIPAA, which require protection of personally identifiable information.

However, specific impacts on compliance or regulatory requirements are not detailed in the provided information.

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Mitigation Strategies

To mitigate this vulnerability, you should upgrade GitLab EE to a fixed version. Specifically, update to version 18.8.9 or later if you are on the 16.6 to 18.8 series, version 18.9.5 or later if you are on the 18.9 series, or version 18.10.3 or later if you are on the 18.10 series.

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