Andreas Stieger upgraded the CVE tracker configuration in the openSUSE/open-build-service repository, ensuring all vulnerability references now resolve to the official cve.org domain. He implemented this change by updating both configuration and test files, using Ruby and YAML to maintain consistency across the codebase. The work focused on improving data accuracy and accessibility for vulnerability tracking, reducing the risk of outdated or misdirected links. Andreas validated the changes through existing CI and testing workflows, demonstrating attention to stability and integration. His approach leveraged skills in API integration, configuration management, and testing, resulting in a focused and well-contained feature update.