CVE-2026-57206 | microsoft simplechat up to 0.241.205 Plugin Validation plugin_validation_endpoint.py get_auth_security improper authorization

A vulnerability identified as critical has been detected in microsoft simplechat up to 0.241.205. Impacted is the function get_auth_security of the file application/single_app/plugin_validation_endpoint.py of the component Plugin Validation. This manipulation causes improper authorization.

The identification of this vulnerability is CVE-2026-57206. It is possible to initiate the attack remotely. There is no exploit available.