CVE-2023-36820

Summary

CVE-2023-36820 affects Micronaut Security, a security solution for applications, prior to versions 3.1.2, 3.2.4, 3.3.2, 3.4.3, 3.5.3, 3.6.6, 3.7.4, 3.8.4, 3.9.6, 3.10.2, and 3.11.1. This vulnerability allows the IdTokenClaimsValidator to bypass validation of the `aud` claim if the token is issued by the same identity issuer/provider. This poses a risk for organizations using Micronaut in multi-tenant environments where multiple OpenID Connect applications exist for the same issuer, and token authorization is not intended to be shared. This issue has been resolved in the aforementioned versions.

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