The /rest/issueNav/1/issueTable resource in Jira before version 8.3.2 allows remote attackers to enumerate usernames via an incorrect authorisation check.
[
{
"product": "Jira",
"vendor": "Atlassian",
"versions": [
{
"lessThan": "8.3.2",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]