User enumeration via insecure Jira endpoint

Published on
10 Jan 2022


Atlassian Jira Server and Data Center before version 7.13.6, and from version 8.0.0 before 8.5.7, and from version 8.6.0 before 8.12.0 are vulnerable to Information Disclosure vulnerability. It allows an unauthenticated user to enumerate users in the /ViewUserHover.jspa endpoint.


  • Update Jira to the latest version
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