The route lookup process in beego before 1.12.9 and 2.x before 2.0.3 allows attackers to bypass access control. When a /p1/p2/:name route is configured, attackers can access it by appending .xml in various places (e.g., p1.xml instead of p1).
{
"versions": [
{
"introduced": "0"
},
{
"last_affected": "1.12.4"
},
{
"introduced": "2.0.0"
},
{
"last_affected": "2.0.2"
}
]
}