Fix GET user "," returning all users (fixes #72286) #78210
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elasticsearchmachine
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jtibshirani
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:Security/Authentication
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Pinging @elastic/es-security (Team:Security) |
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Because
,is a legal username, users can fetch this username from theGET /_security/user/{username}endpoint. This endpoint splits the username into a list if it contains commas, so username,would resolve to an empty list, meaning all users would be returned.This PR fixes this by returning the username parameter if it only contains commas.