## [5.2.7](https://github.com/parse-community/parse-server/compare/5.2.6...5.2.7) (2022-09-20) ### Bug Fixes * authentication adapter app ID validation may be circumvented; this fixes a vulnerability that affects configurations which allow users to authenticate using the Parse Server authentication adapter for *Facebook* or *Spotify* and where the server-side authentication adapter configuration `appIds` is set as a string (e.g. `abc`) instead of an array of strings (e.g. `["abc"]`) ([GHSA-r657-33vp-gp22](https://github.com/parse-community/parse-server/security/advisories/GHSA-r657-33vp-gp22)) ([#8185](https://github.com/parse-community/parse-server/issues/8185)) ([ecf0814](ecf0814499))