Description
A flaw was found in the Quarkus Cache Runtime. When request processing utilizes a Uni cached using @CacheResult and the cached Uni reuses the initial "completion" context, the processing switches to the cached Uni instead of the request context. This is a problem if the cached Uni context contains sensitive information, and could allow a malicious user to benefit from a POST request returning the response that is meant for another user, gaining access to sensitive data.
Remediation
References
https://access.redhat.com/security/cve/CVE-2023-6393
https://bugzilla.redhat.com/show_bug.cgi?id=2253113
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