The ConfigFileAction component of U.S. National Security Agency (NSA) Emissary 5.9.0 allows an authenticated user to read arbitrary files via the ConfigName parameter.
https://securitylab.github.com/research/NSA-emissary/
https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-18952
https://blog.sonarsource.com/code-vulnerabilities-in-nsa-application-revealed